diff --git a/extensions/akismet/.gitignore b/extensions/akismet/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/akismet/.gitignore
+++ b/extensions/akismet/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/akismet/tests/phpunit.integration.xml b/extensions/akismet/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/akismet/tests/phpunit.integration.xml
+++ b/extensions/akismet/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/akismet/tests/phpunit.unit.xml b/extensions/akismet/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/akismet/tests/phpunit.unit.xml
+++ b/extensions/akismet/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/approval/.gitignore b/extensions/approval/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/approval/.gitignore
+++ b/extensions/approval/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/approval/tests/integration/InteractsWithUnapprovedContent.php b/extensions/approval/tests/integration/InteractsWithUnapprovedContent.php
index bcf7498878..6b6b70d310 100644
--- a/extensions/approval/tests/integration/InteractsWithUnapprovedContent.php
+++ b/extensions/approval/tests/integration/InteractsWithUnapprovedContent.php
@@ -64,7 +64,7 @@ protected function prepareUnapprovedDatabaseContent()
     /**
      * null: Guest, 2: Normal User.
      */
-    public function unallowedUsers(): array
+    public static function unallowedUsers(): array
     {
         return [[null], [2]];
     }
@@ -72,7 +72,7 @@ public function unallowedUsers(): array
     /**
      * 1: Admin, 3: Permission Given, 4: Discussions Author.
      */
-    public function allowedUsers(): array
+    public static function allowedUsers(): array
     {
         return [[1], [3], [4]];
     }
diff --git a/extensions/approval/tests/phpunit.integration.xml b/extensions/approval/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/approval/tests/phpunit.integration.xml
+++ b/extensions/approval/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/approval/tests/phpunit.unit.xml b/extensions/approval/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/approval/tests/phpunit.unit.xml
+++ b/extensions/approval/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/bbcode/.gitignore b/extensions/bbcode/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/bbcode/.gitignore
+++ b/extensions/bbcode/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/embed/.gitignore b/extensions/embed/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/embed/.gitignore
+++ b/extensions/embed/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/emoji/.gitignore b/extensions/emoji/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/emoji/.gitignore
+++ b/extensions/emoji/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/flags/.gitignore b/extensions/flags/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/flags/.gitignore
+++ b/extensions/flags/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/flags/tests/phpunit.integration.xml b/extensions/flags/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/flags/tests/phpunit.integration.xml
+++ b/extensions/flags/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/flags/tests/phpunit.unit.xml b/extensions/flags/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/flags/tests/phpunit.unit.xml
+++ b/extensions/flags/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/lang-english/.gitignore b/extensions/lang-english/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/lang-english/.gitignore
+++ b/extensions/lang-english/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/likes/.gitignore b/extensions/likes/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/likes/.gitignore
+++ b/extensions/likes/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/likes/tests/phpunit.integration.xml b/extensions/likes/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/likes/tests/phpunit.integration.xml
+++ b/extensions/likes/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/likes/tests/phpunit.unit.xml b/extensions/likes/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/likes/tests/phpunit.unit.xml
+++ b/extensions/likes/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/lock/.gitignore b/extensions/lock/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/lock/.gitignore
+++ b/extensions/lock/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/markdown/.gitignore b/extensions/markdown/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/markdown/.gitignore
+++ b/extensions/markdown/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/mentions/.gitignore b/extensions/mentions/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/mentions/.gitignore
+++ b/extensions/mentions/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/mentions/tests/phpunit.integration.xml b/extensions/mentions/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/mentions/tests/phpunit.integration.xml
+++ b/extensions/mentions/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/mentions/tests/phpunit.unit.xml b/extensions/mentions/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/mentions/tests/phpunit.unit.xml
+++ b/extensions/mentions/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/nicknames/.gitignore b/extensions/nicknames/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/nicknames/.gitignore
+++ b/extensions/nicknames/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/nicknames/tests/integration/api/EditUserTest.php b/extensions/nicknames/tests/integration/api/EditUserTest.php
index 88a1c106c7..65156c0c64 100644
--- a/extensions/nicknames/tests/integration/api/EditUserTest.php
+++ b/extensions/nicknames/tests/integration/api/EditUserTest.php
@@ -16,7 +16,7 @@
 use Flarum\User\User;
 use PHPUnit\Framework\Attributes\Test;
 
-class UpdateTest extends TestCase
+class EditUserTest extends TestCase
 {
     use RetrievesAuthorizedUsers;
 
diff --git a/extensions/nicknames/tests/phpunit.integration.xml b/extensions/nicknames/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/nicknames/tests/phpunit.integration.xml
+++ b/extensions/nicknames/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/nicknames/tests/phpunit.unit.xml b/extensions/nicknames/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/nicknames/tests/phpunit.unit.xml
+++ b/extensions/nicknames/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/package-manager/.gitignore b/extensions/package-manager/.gitignore
index 4ebb168a05..e60e512061 100755
--- a/extensions/package-manager/.gitignore
+++ b/extensions/package-manager/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/package-manager/tests/phpunit.integration.xml b/extensions/package-manager/tests/phpunit.integration.xml
index 89f91a4d15..b637aadabd 100644
--- a/extensions/package-manager/tests/phpunit.integration.xml
+++ b/extensions/package-manager/tests/phpunit.integration.xml
@@ -1,21 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/package-manager/tests/phpunit.unit.xml b/extensions/package-manager/tests/phpunit.unit.xml
index d3a4a3e3d3..eb33f60fe2 100644
--- a/extensions/package-manager/tests/phpunit.unit.xml
+++ b/extensions/package-manager/tests/phpunit.unit.xml
@@ -1,27 +1,22 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/pusher/.gitignore b/extensions/pusher/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/pusher/.gitignore
+++ b/extensions/pusher/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/statistics/.gitignore b/extensions/statistics/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/statistics/.gitignore
+++ b/extensions/statistics/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/statistics/tests/phpunit.integration.xml b/extensions/statistics/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/statistics/tests/phpunit.integration.xml
+++ b/extensions/statistics/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/statistics/tests/phpunit.unit.xml b/extensions/statistics/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/statistics/tests/phpunit.unit.xml
+++ b/extensions/statistics/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/sticky/.gitignore b/extensions/sticky/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/sticky/.gitignore
+++ b/extensions/sticky/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/sticky/tests/phpunit.integration.xml b/extensions/sticky/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/sticky/tests/phpunit.integration.xml
+++ b/extensions/sticky/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/sticky/tests/phpunit.unit.xml b/extensions/sticky/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/sticky/tests/phpunit.unit.xml
+++ b/extensions/sticky/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/subscriptions/.gitignore b/extensions/subscriptions/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/subscriptions/.gitignore
+++ b/extensions/subscriptions/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/subscriptions/tests/phpunit.integration.xml b/extensions/subscriptions/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/subscriptions/tests/phpunit.integration.xml
+++ b/extensions/subscriptions/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/subscriptions/tests/phpunit.unit.xml b/extensions/subscriptions/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/subscriptions/tests/phpunit.unit.xml
+++ b/extensions/subscriptions/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/suspend/.gitignore b/extensions/suspend/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/suspend/.gitignore
+++ b/extensions/suspend/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/suspend/tests/phpunit.integration.xml b/extensions/suspend/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/suspend/tests/phpunit.integration.xml
+++ b/extensions/suspend/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/suspend/tests/phpunit.unit.xml b/extensions/suspend/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/suspend/tests/phpunit.unit.xml
+++ b/extensions/suspend/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/extensions/tags/.gitignore b/extensions/tags/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/extensions/tags/.gitignore
+++ b/extensions/tags/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/extensions/tags/tests/phpunit.integration.xml b/extensions/tags/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/extensions/tags/tests/phpunit.integration.xml
+++ b/extensions/tags/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/extensions/tags/tests/phpunit.unit.xml b/extensions/tags/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/extensions/tags/tests/phpunit.unit.xml
+++ b/extensions/tags/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/framework/core/.gitignore b/framework/core/.gitignore
index 4ebb168a05..e60e512061 100644
--- a/framework/core/.gitignore
+++ b/framework/core/.gitignore
@@ -4,6 +4,7 @@ composer.phar
 
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/framework/core/tests/phpunit.integration.xml b/framework/core/tests/phpunit.integration.xml
index 7319d929ae..e3e14eab99 100644
--- a/framework/core/tests/phpunit.integration.xml
+++ b/framework/core/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/framework/core/tests/phpunit.unit.xml b/framework/core/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/framework/core/tests/phpunit.unit.xml
+++ b/framework/core/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>
diff --git a/php-packages/phpstan/.gitignore b/php-packages/phpstan/.gitignore
index 30e01fbd26..87a995b349 100644
--- a/php-packages/phpstan/.gitignore
+++ b/php-packages/phpstan/.gitignore
@@ -3,6 +3,7 @@ composer.lock
 composer.phar
 .DS_Store
 Thumbs.db
+tests/.phpunit.cache
 tests/.phpunit.result.cache
 /tests/integration/tmp
 .vagrant
diff --git a/php-packages/testing/tests/tests/phpunit.integration.xml b/php-packages/testing/tests/tests/phpunit.integration.xml
index f9fbdf591a..5f2ed2eb9b 100644
--- a/php-packages/testing/tests/tests/phpunit.integration.xml
+++ b/php-packages/testing/tests/tests/phpunit.integration.xml
@@ -1,22 +1,20 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="true"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Integration Tests">
             <directory suffix="Test.php">./integration</directory>
diff --git a/php-packages/testing/tests/tests/phpunit.unit.xml b/php-packages/testing/tests/tests/phpunit.unit.xml
index 66262dd9ff..67367a782d 100644
--- a/php-packages/testing/tests/tests/phpunit.unit.xml
+++ b/php-packages/testing/tests/tests/phpunit.unit.xml
@@ -1,28 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+    xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
     backupGlobals="false"
-    backupStaticAttributes="false"
+    cacheDirectory=".phpunit.cache"
+    backupStaticProperties="false"
     colors="true"
-    convertErrorsToExceptions="true"
-    convertNoticesToExceptions="true"
-    convertWarningsToExceptions="true"
     processIsolation="false"
     stopOnFailure="false"
     bootstrap="../../../php-packages/testing/bootstrap/monorepo.php"
 >
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">../src/</directory>
         </include>
-    </coverage>
+    </source>
     <testsuites>
         <testsuite name="Flarum Unit Tests">
             <directory suffix="Test.php">./unit</directory>
         </testsuite>
     </testsuites>
-    <listeners>
-        <listener class="\Mockery\Adapter\Phpunit\TestListener" />
-    </listeners>
 </phpunit>