diff --git a/admin/tool/admin_presets/tests/behat/behat_admin_presets.php b/admin/tool/admin_presets/tests/behat/behat_admin_presets.php
index 23b8f9ff31a0c..d6eaffe2b3201 100644
--- a/admin/tool/admin_presets/tests/behat/behat_admin_presets.php
+++ b/admin/tool/admin_presets/tests/behat/behat_admin_presets.php
@@ -62,6 +62,8 @@ class behat_admin_presets extends behat_base {
      * @throws ExpectationException
      */
     final public function following_in_the_should_download_between_and_bytes(string $link, string $selectortype,
+        // TO BE DEPRECATED.
+
         string $nodeelement, string $nodeselectortype, int $minexpectedsize, int $maxexpectedsize): void {
         // If the minimum is greater than the maximum then swap the values.
         if ((int) $minexpectedsize > (int) $maxexpectedsize) {
diff --git a/admin/tool/admin_presets/tests/behat/download.feature b/admin/tool/admin_presets/tests/behat/download.feature
index 2866028325f8d..f05f08d9685f5 100644
--- a/admin/tool/admin_presets/tests/behat/download.feature
+++ b/admin/tool/admin_presets/tests/behat/download.feature
@@ -10,11 +10,14 @@ Feature: I can download a preset
     Given I log in as "admin"
     And I navigate to "Site admin presets" in site administration
     When I open the action menu in "Custom preset" "table_row"
-    Then following "Download" "link" in the "Custom preset" "table_row" should download between "0" and "5000" bytes
+    # Failing.
+    Then following "Download" should download a file that:
+      | Contains | Custom preset |
 
   @javascript
   Scenario: Core preset settings can be downloaded
     Given I log in as "admin"
     And I navigate to "Site admin presets" in site administration
     When I open the action menu in "Starter" "table_row"
-    Then following "Download" "link" in the "Starter" "table_row" should download between "0" and "5000" bytes
+    Then following "Download" should download a file that:
+      | Contains | Starter |
diff --git a/admin/tool/dataprivacy/tests/behat/dataexport.feature b/admin/tool/dataprivacy/tests/behat/dataexport.feature
index 0efed8fed2502..f5651c1ac15ed 100644
--- a/admin/tool/dataprivacy/tests/behat/dataexport.feature
+++ b/admin/tool/dataprivacy/tests/behat/dataexport.feature
@@ -54,7 +54,8 @@ Feature: Data export from the privacy API
     And I reload the page
     And I should see "Download ready" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
-    And following "Download" should download between "1" and "200000" bytes
+    And following "Download" should download a file that:
+      | Contains | index.html |
     And the following config values are set as admin:
       | privacyrequestexpiry | 1 | tool_dataprivacy |
     And I wait "1" seconds
@@ -89,7 +90,8 @@ Feature: Data export from the privacy API
     And I reload the page
     And I should see "Download ready" in the "Export all of my personal data" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
-    And following "Download" should download between "1" and "200000" bytes
+    And following "Download" should download a file that:
+      | Contains | index.html |
 
     And the following config values are set as admin:
       | privacyrequestexpiry | 1 | tool_dataprivacy |
@@ -126,7 +128,8 @@ Feature: Data export from the privacy API
     And I reload the page
     And I should see "Download ready" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
-    And following "Download" should download between "1" and "200000" bytes
+    And following "Download" should download a file that:
+      | Contains | index.html |
 
     And the following config values are set as admin:
       | privacyrequestexpiry | 1 | tool_dataprivacy |
@@ -185,7 +188,8 @@ Feature: Data export from the privacy API
     And I reload the page
     And I should see "Download ready" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
-    And following "Download" should download between "1" and "170000" bytes
+    Then following "Download" should download a file that:
+      | Contains | index.html |
     And the following config values are set as admin:
       | privacyrequestexpiry | 1 | tool_dataprivacy |
     And I wait "1" seconds
@@ -229,7 +233,8 @@ Feature: Data export from the privacy API
     And I reload the page
     And I should see "Download ready" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
-    And following "Download" should download between "1" and "180000" bytes
+    And following "Download" should download a file that:
+      | Contains | index.html |
 
   @javascript
   Scenario: Filter before export data for a user and download it in the view request action
@@ -262,4 +267,5 @@ Feature: Data export from the privacy API
     And I reload the page
     And I should see "Download ready" in the "Victim User 1" "table_row"
     And I open the action menu in "Victim User 1" "table_row"
-    And following "Download" should download between "1" and "180000" bytes
+    And following "Download" should download a file that:
+      | Contains | index.html |
diff --git a/analytics/tests/behat/manage_models.feature b/analytics/tests/behat/manage_models.feature
index 13e721e327592..e0bdd8e9b66f1 100644
--- a/analytics/tests/behat/manage_models.feature
+++ b/analytics/tests/behat/manage_models.feature
@@ -147,7 +147,8 @@ Feature: Manage analytics models
     When I open the action menu in "Students at risk of not meeting the course completion conditions" "table_row"
     And I choose "Export" in the open action menu
     And I click on "Actions" "link" in the "Students at risk of not meeting the course completion conditions" "table_row"
-    And following "Export" should download between "100" and "500" bytes
+    And following "Download" should download a file that:
+       | Contains | model-config.json |
 
   Scenario: Check invalid site elements
     When I open the action menu in "Students at risk of not meeting the course completion conditions" "table_row"
diff --git a/lib/tests/behat/behat_download.php b/lib/tests/behat/behat_download.php
new file mode 100644
index 0000000000000..446745b721255
--- /dev/null
+++ b/lib/tests/behat/behat_download.php
@@ -0,0 +1,188 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Steps definitions to verify a downloaded file.
+ *
+ * @package    core
+ * @category   test
+ * @copyright  2023 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+use Behat\Gherkin\Node\TableNode;
+use Behat\Mink\Exception\ExpectationException;
+
+require_once(__DIR__ . '/../../behat/behat_base.php');
+
+/**
+ * Steps definitions to verify a downloaded file.
+ *
+ * @package    core
+ * @category   test
+ * @copyright  2023 Simey Lameze <simey@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class behat_download extends behat_base {
+
+    /**
+     * Downloads the file from a link on the page and checks the size is in a given range.
+     *
+     * @Then /^following "(?P<link_string>[^"]*)" should download a "(?P<format_string>[^"]*)" file that:$/
+     *   | Contains         | abc |
+     *   | Does not contain | xyz |
+     */
+    public function following_should_download_a_file_that(string $link, string $format, TableNode $table): void {
+
+        // Find the link.
+        $linknode = $this->find_link($link);
+        $this->ensure_node_is_visible($linknode);
+
+        // Get the href and check it.
+        $url = $linknode->getAttribute('href');
+        if (!$url) {
+            throw new ExpectationException(
+                'Download link does not have href attribute',
+                $this->getSession(),
+            );
+        }
+        if (!preg_match('~^https?://~', $url)) {
+            throw new ExpectationException(
+                "Download link not an absolute URL: {$url}",
+                $this->getSession(),
+            );
+        }
+
+        $behatgeneralcontext = behat_context_helper::get('behat_general');
+        $exception = new ExpectationException(
+            "Error while downloading data from {$link}",
+            $this->getSession(),
+        );
+
+        // It will stop spinning once file is downloaded or time out.
+        $filecontent = $this->spin(
+            fn($context, $link) => $behatgeneralcontext->download_file_from_link($link),
+            $link,
+            behat_base::get_extended_timeout(),
+            $exception
+        );
+
+        if (!$rows = $table->getRows()) {
+            // Nothing further to verify.
+            return;
+        }
+
+        // TODO:
+        // 2) Assert multiple files in the zip archive.
+        // 3) Validate txt, gift and png files.
+        // 4) Validate "Does not contain."
+        // 5) Validate "Contains" with multiple strings.
+        // 6) Validate "Does not contain PHP errors" -> (which can be based on look_for_exceptions from lib/behat/classes/behat_session_trait.php
+        $this->validate_mime_type($filecontent, $format);
+
+        $assertmethod = 'assert_file_type_' . strtolower($format);
+        foreach ($rows as $row) {
+            $assertion = strtolower(trim($row[0]));
+            match ($assertion) {
+                'contains' => $this->$assertmethod($filecontent, $row[1]),
+                default => throw new ExpectationException(
+                    "Invalid assertion: {$assertion}",
+                    $this->getSession(),
+                )
+            };
+        }
+    }
+
+    protected function validate_mime_type(string $filecontent, string $format): void {
+
+        $finfo = new \finfo(FILEINFO_MIME_TYPE);
+        $mimetype = $finfo->buffer($filecontent);
+
+        $validmimetypes = match ($format) {
+            'zip' => ['application/zip', 'application/x-zip-compressed', 'multipart/x-zip'],
+            'xml' => ['application/xml', 'text/xml'],
+            'txt' => ['text/plain'],
+            'gift' => ['text/plain'],
+            'png' => ['image/png'],
+            default => [$format], // If the format is not one of the above, assume it is the only valid MIME type
+        };
+
+        if (!in_array($mimetype, $validmimetypes)) {
+            throw new ExpectationException(
+                "The file downloaded should have been a {$format} file, but got {$mimetype} instead.",
+                $this->getSession(),
+            );
+        }
+    }
+
+    protected function assert_file_type_xml(string $filecontent, string $contains): void {
+
+        // Load the XML content into a SimpleXMLElement object
+        $xml = new SimpleXMLElement($filecontent);
+
+        // Use xpath to search for the string in the XML content
+        $result = $xml->xpath("//*[contains(text(), '$contains')]");
+
+        // If the result is empty, the string was not found in the XML content
+        if (empty($result)) {
+            throw new ExpectationException(
+                "The string '{$contains}' was not found in the XML content.",
+                $this->getSession(),
+            );
+        }
+    }
+
+    protected function assert_file_type_zip(string $filecontent, string $expectedfile): void {
+
+        // Save the file to disk.
+        $tempdir = make_request_directory();
+        $filepath = $tempdir . '/downloaded.zip';
+        file_put_contents($filepath, $filecontent);
+
+        $zip = new ZipArchive();
+        $res = $zip->open($filepath);
+
+        if ($res !== true) {
+            throw new ExpectationException(
+                "Failed to open zip file.",
+                $this->getSession(),
+            );
+        }
+
+        // Check if the expected file exists in the zip archive.
+        if ($zip->locateName($expectedfile) === false) {
+            throw new ExpectationException(
+                "The file '{$expectedfile}' was not found in the zip archive.",
+                $this->getSession(),
+            );
+        }
+    }
+
+    protected function assert_file_type_text(string $filecontent, string $contains): void {
+
+        // Check if the string is present in the file content.
+        if (!str_contains($filecontent, $contains)) {
+            throw new ExpectationException(
+                "The string '{$contains}' was not found in the file content.",
+                $this->getSession(),
+            );
+        }
+    }
+
+    protected function assert_file_type_gift(string $filecontent, string $contains): void {
+        $this->assert_file_type_text($filecontent, $contains);
+    }
+}
diff --git a/mod/data/tests/behat/data_presets.feature b/mod/data/tests/behat/data_presets.feature
index ff04cc5dc191f..96b7d7760441f 100644
--- a/mod/data/tests/behat/data_presets.feature
+++ b/mod/data/tests/behat/data_presets.feature
@@ -300,10 +300,12 @@ Feature: Users can view and manage data presets
     # The teacher should be able to export any saved preset.
     And I open the action menu in "Saved preset by teacher1" "table_row"
     Then I should see "Export"
-    And following "Export" "link" in the "Saved preset by teacher1" "table_row" should download between "1" and "5000" bytes
+    Then following "Export" should download a file that:
+      | Contains | Saved preset by teacher1 |
     And I open the action menu in "Saved preset 1" "table_row"
     And I should see "Export"
-    And following "Export" "link" in the "Saved preset 1" "table_row" should download between "1" and "5000" bytes
+    And following "Export" should download a file that:
+      | Contains | Saved preset 1 |
 
   @javascript @_file_upload
   Scenario Outline: Admins and Teachers can load a preset from a file
diff --git a/mod/folder/tests/behat/recent_activity.feature b/mod/folder/tests/behat/recent_activity.feature
index 158461a8d89a6..154a08ea1570b 100644
--- a/mod/folder/tests/behat/recent_activity.feature
+++ b/mod/folder/tests/behat/recent_activity.feature
@@ -36,5 +36,6 @@ Feature: Files added in folder activity are visible in the recent activity block
     And "//img[@alt='empty.txt']" "xpath_element" should exist
     And "//img[contains(@src, 'preview=tinyicon')]" "xpath_element" should exist
     # Confirm files are downloadable
-    And following "empty.txt" should download between "1" and "3000" bytes
-    And following "gd-logo.png" should download between "1" and "3000" bytes
+    Then following "Export" should download a file that:
+      | Is a valid txt file and contains |  |
+      | Is a valid png file              |  |
diff --git a/mod/glossary/tests/behat/create_entry.feature b/mod/glossary/tests/behat/create_entry.feature
index 1895bab567842..1dcce0445cea1 100644
--- a/mod/glossary/tests/behat/create_entry.feature
+++ b/mod/glossary/tests/behat/create_entry.feature
@@ -45,4 +45,5 @@ Feature: Create a glossary entry.
     When I am on the "Test glossary" "glossary activity" page logged in as teacher1
     Then I should see "Entry 1"
     And I should see "musicians.xml"
-    And following "musicians.xml" should download between "1" and "3000" bytes
+    And following "musicians.xml" should download a file that:
+      | Contains | Musicians |
diff --git a/question/format/aiken/tests/behat/aiken_export.feature b/question/format/aiken/tests/behat/aiken_export.feature
index 28f20d56f5b3d..57d458278fc6b 100644
--- a/question/format/aiken/tests/behat/aiken_export.feature
+++ b/question/format/aiken/tests/behat/aiken_export.feature
@@ -26,7 +26,9 @@ Feature: Test exporting questions using Aiken format.
     When I am on the "Course 1" "core_question > course question export" page logged in as "teacher1"
     And I set the field "id_format_aiken" to "1"
     When I press "Export questions to file"
-    Then following "click here" should download between "68" and "70" bytes
+    Then following "click here" should download a file that:
+      | Contains | Multi-choice-001 |
+      | Contains | Multi-choice-002 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/format/gift/tests/behat/import_export.feature b/question/format/gift/tests/behat/import_export.feature
index fc00ec7300fb7..a7176df80e979 100644
--- a/question/format/gift/tests/behat/import_export.feature
+++ b/question/format/gift/tests/behat/import_export.feature
@@ -31,7 +31,8 @@ Feature: Test importing questions from GIFT format.
     And I am on the "Course 1" "core_question > course question export" page
     And I set the field "id_format_gift" to "1"
     And I press "Export questions to file"
-    And following "click here" should download between "1500" and "1800" bytes
+    And following "click here" should download a "gift" file that:
+      | Contains | What's between orange and green in the spectrum? |
 
   @javascript @_file_upload
   Scenario: import a GIFT file which specifies the category
diff --git a/question/format/xml/tests/behat/import_export.feature b/question/format/xml/tests/behat/import_export.feature
index c09746929aebd..8b53b4f9c81a1 100644
--- a/question/format/xml/tests/behat/import_export.feature
+++ b/question/format/xml/tests/behat/import_export.feature
@@ -34,7 +34,9 @@ Feature: Test importing questions from Moodle XML format.
     And I set the field "id_format_xml" to "1"
     And I set the field "Export category" to "TrueFalse"
     And I press "Export questions to file"
-    Then following "click here" should download between "57100" and "58150" bytes
+    Then following "click here" should download a file that:
+      | Contains | Moodle acronym (False) |
+      | Contains | Moodle acronym (True) |
 
   @javascript @_file_upload
   Scenario: import some multiple choice questions from Moodle XML format
diff --git a/question/type/ddimageortext/tests/behat/export.feature b/question/type/ddimageortext/tests/behat/export.feature
index 06d83e284ea30..a5a509405a5df 100644
--- a/question/type/ddimageortext/tests/behat/export.feature
+++ b/question/type/ddimageortext/tests/behat/export.feature
@@ -26,7 +26,8 @@ Feature: Test exporting drag and drop onto image questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "18600" and "19150" bytes
+    Then following "click here" should download a file that:
+      | Contains | Drag onto image |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/ddmarker/tests/behat/export.feature b/question/type/ddmarker/tests/behat/export.feature
index edb928239ae14..a6032543890e8 100644
--- a/question/type/ddmarker/tests/behat/export.feature
+++ b/question/type/ddmarker/tests/behat/export.feature
@@ -26,7 +26,8 @@ Feature: Test exporting drag and drop markers questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "233700" and "233950" bytes
+    Then following "click here" should download a file that:
+      | Contains | Drag markers |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/ddwtos/tests/behat/export.feature b/question/type/ddwtos/tests/behat/export.feature
index a74915b78e509..78b6ea734609b 100644
--- a/question/type/ddwtos/tests/behat/export.feature
+++ b/question/type/ddwtos/tests/behat/export.feature
@@ -26,7 +26,8 @@ Feature: Test exporting drag and drop into text questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    And following "click here" should download between "1550" and "1700" bytes
+    And following "click here" should download a file that:
+      | Contains | Drag to text |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/description/tests/behat/export.feature b/question/type/description/tests/behat/export.feature
index 28cc5cda0947b..1feceb8794472 100644
--- a/question/type/description/tests/behat/export.feature
+++ b/question/type/description/tests/behat/export.feature
@@ -25,7 +25,8 @@ Feature: Test exporting Description questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "650" and "900" bytes
+    Then following "click here" should download a file that:
+      | Contains | description-001 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/essay/tests/behat/export.feature b/question/type/essay/tests/behat/export.feature
index e319fcdff4410..83c6bf641777e 100644
--- a/question/type/essay/tests/behat/export.feature
+++ b/question/type/essay/tests/behat/export.feature
@@ -27,7 +27,10 @@ Feature: Test exporting Essay questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "3000" and "3500" bytes
+    Then following "click here" should download a file that:
+      | Contains | essay-001 |
+      | Contains | essay-002 |
+      | Contains | essay-003 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/gapselect/tests/behat/import_test.feature b/question/type/gapselect/tests/behat/import_test.feature
index af9104c9b8414..ec57b23809adb 100644
--- a/question/type/gapselect/tests/behat/import_test.feature
+++ b/question/type/gapselect/tests/behat/import_test.feature
@@ -32,7 +32,8 @@ Feature: Import and export select missing words questions
     And I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    And following "click here" should download between "1650" and "1800" bytes
+    And following "click here" should download a file that:
+      | Contains | Select missing words 001 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/match/tests/behat/export.feature b/question/type/match/tests/behat/export.feature
index 6d28231d648b5..6571f3b9da38f 100644
--- a/question/type/match/tests/behat/export.feature
+++ b/question/type/match/tests/behat/export.feature
@@ -25,7 +25,8 @@ Feature: Test exporting Matching questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "1600" and "1750" bytes
+    Then following "click here" should download a file that:
+      | Contains | matching-001 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/multichoice/tests/behat/export.feature b/question/type/multichoice/tests/behat/export.feature
index 46fd6fec54235..7b35ab0220d53 100644
--- a/question/type/multichoice/tests/behat/export.feature
+++ b/question/type/multichoice/tests/behat/export.feature
@@ -26,7 +26,9 @@ Feature: Test exporting Multiple choice questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "3900" and "4100" bytes
+    Then following "click here" should download a file that:
+      | Contains | Multi-choice-001 |
+      | Contains | Multi-choice-002 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/numerical/tests/behat/export.feature b/question/type/numerical/tests/behat/export.feature
index df9728ab09f25..6337583a32822 100644
--- a/question/type/numerical/tests/behat/export.feature
+++ b/question/type/numerical/tests/behat/export.feature
@@ -26,7 +26,9 @@ Feature: Test exporting Numerical questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "3650" and "3750" bytes
+    Then following "click here" should download a file that:
+      | Contains | Numerical-001 |
+      | Contains | Numerical-002 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/ordering/tests/behat/export.feature b/question/type/ordering/tests/behat/export.feature
index 5b218a159af25..1dd4525b51395 100644
--- a/question/type/ordering/tests/behat/export.feature
+++ b/question/type/ordering/tests/behat/export.feature
@@ -25,7 +25,8 @@ Feature: Test exporting Ordering questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher1
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "1700" and "2350" bytes
+    Then following "click here" should download a file that:
+      | Contains | Moodle |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/shortanswer/tests/behat/export.feature b/question/type/shortanswer/tests/behat/export.feature
index 04f4a5fb26233..a711de9beb847 100644
--- a/question/type/shortanswer/tests/behat/export.feature
+++ b/question/type/shortanswer/tests/behat/export.feature
@@ -25,7 +25,8 @@ Feature: Test exporting Short answer questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "1200" and "1450" bytes
+    Then following "click here" should download a file that:
+      | Contains | shortanswer-001 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout
diff --git a/question/type/truefalse/tests/behat/export.feature b/question/type/truefalse/tests/behat/export.feature
index fb9f4005a2906..f641fbb6b1141 100644
--- a/question/type/truefalse/tests/behat/export.feature
+++ b/question/type/truefalse/tests/behat/export.feature
@@ -25,7 +25,8 @@ Feature: Test exporting True/False questions
     When I am on the "Course 1" "core_question > course question export" page logged in as teacher
     And I set the field "id_format_xml" to "1"
     And I press "Export questions to file"
-    Then following "click here" should download between "1000" and "1200" bytes
+    Then following "click here" should download a file that:
+      | Contains | true-false-001 |
     # If the download step is the last in the scenario then we can sometimes run
     # into the situation where the download page causes a http redirect but behat
     # has already conducted its reset (generating an error). By putting a logout