diff --git a/.gitignore b/.gitignore
index 55d9dd3913..957307d541 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,4 +24,5 @@ cypress/videos
 cypress/snapshots
 cypress/downloads
 
-js/*hot-update.*
\ No newline at end of file
+js/*hot-update.*
+tests/.phpunit.result.cache
diff --git a/composer.json b/composer.json
index cf8cad5b44..fa8ab37f69 100644
--- a/composer.json
+++ b/composer.json
@@ -25,7 +25,7 @@
 		"psalm:update-baseline": "psalm.phar --threads=1 --update-baseline",
 		"psalm:clear": "psalm.phar --clear-cache && psalm --clear-global-cache",
 		"psalm:fix": "psalm.phar --alter --issues=InvalidReturnType,InvalidNullableReturnType,MissingParamType,InvalidFalsableReturnType",
-		"test:unit": "echo 'Only testing installation of the app'"
+		"test:unit": "vendor/bin/phpunit -c tests/phpunit.xml --color --fail-on-warning --fail-on-risky"
 	},
 	"require-dev": {
 		"bamarni/composer-bin-plugin": "^1.8",
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
new file mode 100644
index 0000000000..b3f435f93f
--- /dev/null
+++ b/tests/bootstrap.php
@@ -0,0 +1,23 @@
+<?php
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ *
+ */
+if (!defined('PHPUNIT_RUN')) {
+	define('PHPUNIT_RUN', 1);
+}
+
+require_once __DIR__.'/../../../lib/base.php';
+
+// Fix for "Autoload path not allowed: .../tests/lib/testcase.php"
+\OC::$loader->addValidRoot(OC::$SERVERROOT . '/tests');
+
+// Fix for "Autoload path not allowed: .../photos/tests/testcase.php"
+\OC_App::loadApp('photos');
+
+if (!class_exists('\PHPUnit\Framework\TestCase')) {
+	require_once('PHPUnit/Autoload.php');
+}
+
+OC_Hook::clear();
diff --git a/tests/phpunit.xml b/tests/phpunit.xml
new file mode 100644
index 0000000000..3e7c2ec9c1
--- /dev/null
+++ b/tests/phpunit.xml
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<phpunit bootstrap="bootstrap.php"
+		 verbose="true"
+		 convertDeprecationsToExceptions="true"
+		 timeoutForSmallTests="900"
+		 timeoutForMediumTests="900"
+		 timeoutForLargeTests="900"
+		>
+	<testsuite name='Photos App Tests'>
+		<directory suffix='Test.php'>.</directory>
+	</testsuite>
+</phpunit>
+