diff --git a/automatic_updates_extensions/tests/fixtures/release-history/aaa_update_test.1.1.xml b/automatic_updates_extensions/tests/fixtures/release-history/aaa_update_test.1.1.xml
deleted file mode 100644
index 17ff564249b640ccfb9e8fb5a4e6a4f5c999c88a..0000000000000000000000000000000000000000
--- a/automatic_updates_extensions/tests/fixtures/release-history/aaa_update_test.1.1.xml
+++ /dev/null
@@ -1,201 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-This fixture is used by \Drupal\Tests\automatic_updates_extensions\Functional\UpdaterFormTest.
-
-Contains metadata about the following (fake) releases of aaa_update_test module, all of which are secure, in order:
-- 8.x-3.0, which is in an unsupported branch
-- 8.x-2.1
-- 8.x-2.1-beta1
-- 8.x-2.1-alpha1
-- 8.x-2.0
-- 8.x-2.0-beta1
-- 8.x-2.0-alpha1
-- 8.x-1.1
-- 8.x-1.1-beta1
-- 8.x-1.1-alpha1
-- 8.x-1.0
-- 8.x-1.0-beta1
-- 8.x-1.0-alpha1
--->
-<project xmlns:dc="http://purl.org/dc/elements/1.1/">
-<title>AAA Update test</title>
-<short_name>aaa_update_test</short_name>
-<dc:creator>Drupal</dc:creator>
-<supported_branches>8.x-2.,8.x-1.</supported_branches>
-<project_status>published</project_status>
-<link>http://example.com/project/aaa_update_test</link>
-  <terms>
-   <term><name>Projects</name><value>AAA Update test project</value></term>
-  </terms>
-<releases>
-  <release>
-    <name>AAA Update test 8.x-3.0</name>
-    <version>8.x-3.0</version>
-    <tag>8.x-3.0</tag>
-    <status>published</status>
-    <release_link>http://example.com/aaa_update_test-8-3-0-release</release_link>
-    <download_link>http://example.com/aaa_update_test-8-3-0.tar.gz</download_link>
-    <date>1584195300</date>
-    <terms>
-      <term><name>Release type</name><value>New features</value></term>
-      <term><name>Release type</name><value>Bug fixes</value></term>
-    </terms>
-  </release>
- <release>
-   <name>AAA Update test 8.x-2.1</name>
-   <version>8.x-2.1</version>
-   <tag>8.x-2.1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-2-1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-2-1.tar.gz</download_link>
-   <date>1581603300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-2.1-beta1</name>
-   <version>8.x-2.1-beta1</version>
-   <tag>8.x-2.1-beta1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-2-1-beta1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-2-1-beta1.tar.gz</download_link>
-   <date>1579011300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-2.1-alpha1</name>
-   <version>8.x-2.1-alpha1</version>
-   <tag>8.x-2.1-alpha1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-2-1-alpha1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-2-1-alpha1.tar.gz</download_link>
-   <date>1576419300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-2.0</name>
-   <version>8.x-2.0</version>
-   <tag>8.x-2.0</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-2-0-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-2-0.tar.gz</download_link>
-   <date>1573827300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-2.0-beta1</name>
-   <version>8.x-2.0-beta1</version>
-   <tag>8.x-2.0-beta1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-2-0-beta1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-2-0-beta1.tar.gz</download_link>
-   <date>1571235300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-2.0-alpha1</name>
-   <version>8.x-2.0-alpha1</version>
-   <tag>8.x-2.0-alpha1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-2-0-alpha1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-2-0-alpha1.tar.gz</download_link>
-   <date>1568643300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-1.1</name>
-   <version>8.x-1.1</version>
-   <tag>8.x-1.1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-1-1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-1-1.tar.gz</download_link>
-   <date>1566051300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-1.1-beta1</name>
-   <version>8.x-1.1-beta1</version>
-   <tag>8.x-1.1-beta1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-1-1-beta1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-1-1-beta1.tar.gz</download_link>
-   <date>1563459300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-1.1-alpha1</name>
-   <version>8.x-1.1-alpha1</version>
-   <tag>8.x-1.1-alpha1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-1-1-alpha1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-1-1-alpha1.tar.gz</download_link>
-   <date>1560867300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-1.0</name>
-   <version>8.x-1.0</version>
-   <tag>8.x-1.0</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-1-0-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-1-0.tar.gz</download_link>
-   <date>1558275300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-1.0-beta1</name>
-   <version>8.x-1.0-beta1</version>
-   <tag>8.x-1.0-beta1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-1-0-beta1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-1-0-beta1.tar.gz</download_link>
-   <date>1555683300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
- <release>
-   <name>AAA Update test 8.x-1.0-alpha1</name>
-   <version>8.x-1.0-alpha1</version>
-   <tag>8.x-1.0-alpha1</tag>
-   <status>published</status>
-   <release_link>http://example.com/aaa_update_test-8-x-1-0-alpha1-release</release_link>
-   <download_link>http://example.com/aaa_update_test-8-x-1-0-alpha1.tar.gz</download_link>
-   <date>1553091300</date>
-   <terms>
-     <term><name>Release type</name><value>New features</value></term>
-     <term><name>Release type</name><value>Bug fixes</value></term>
-   </terms>
- </release>
-</releases>
-</project>
diff --git a/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php b/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php
index d0d4a8fa97d6caf28876b0ada167455c0dd52469..41701d8ae3b43227e88c59d27f6bb2c8bad9eb24 100644
--- a/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php
+++ b/automatic_updates_extensions/tests/src/Functional/UpdaterFormTest.php
@@ -185,7 +185,8 @@ class UpdaterFormTest extends AutomaticUpdatesFunctionalTestBase {
     $this->container->get('theme_installer')->install(['automatic_updates_extensions_test_theme']);
     $this->useFixtureDirectoryAsStaged(__DIR__ . '/../../fixtures/stage_composer/' . $project_name);
     $this->setReleaseMetadata(__DIR__ . '/../../../../package_manager/tests/fixtures/release-history/drupal.9.8.2.xml');
-    $this->setReleaseMetadata(__DIR__ . '/../../fixtures/release-history/' . $project_name . '.1.1.xml');
+    $path_to_fixtures_folder = $project_name === 'aaa_update_test' ? '/../../../../package_manager/tests' : '/../..';
+    $this->setReleaseMetadata(__DIR__ . $path_to_fixtures_folder . '/fixtures/release-history/' . $project_name . '.1.1.xml');
     $this->setProjectInstalledVersion([$project_name => $installed_version]);
     $this->checkForUpdates();
     $state = $this->container->get('state');
@@ -381,7 +382,7 @@ class UpdaterFormTest extends AutomaticUpdatesFunctionalTestBase {
     $this->container->get('theme_installer')->install(['automatic_updates_theme_with_updates']);
     $this->setReleaseMetadata(__DIR__ . '/../../../../package_manager/tests/fixtures/release-history/drupal.9.8.2.xml');
     $this->setReleaseMetadata(__DIR__ . "/../../fixtures/release-history/semver_test.1.1.xml");
-    $this->setReleaseMetadata(__DIR__ . "/../../fixtures/release-history/aaa_update_test.1.1.xml");
+    $this->setReleaseMetadata(__DIR__ . "/../../../../package_manager/tests/fixtures/release-history/aaa_update_test.1.1.xml");
     Stager::setFixturePath(__DIR__ . '/../../fixtures/stage_composer/two_projects');
     $this->setProjectInstalledVersion([
       'semver_test' => '8.1.0',
@@ -433,7 +434,7 @@ class UpdaterFormTest extends AutomaticUpdatesFunctionalTestBase {
    * Tests the form when modules requiring an update not installed via composer.
    */
   public function testNonComposerProjects(): void {
-    $this->setReleaseMetadata(__DIR__ . '/../../fixtures/release-history/aaa_update_test.1.1.xml');
+    $this->setReleaseMetadata(__DIR__ . '/../../../../package_manager/tests/fixtures/release-history/aaa_update_test.1.1.xml');
     $this->setReleaseMetadata(__DIR__ . '/../../fixtures/release-history/semver_test.1.1.xml');
     $this->config('update.settings')
       ->set('fetch.url', $this->baseUrl . '/test-release-history')
diff --git a/automatic_updates_extensions/tests/src/Kernel/Validator/UpdateReleaseValidatorTest.php b/automatic_updates_extensions/tests/src/Kernel/Validator/UpdateReleaseValidatorTest.php
index cc0e70ae67239130e27ca9323cca71e5ffaa7a8d..946ce982602c15a95d9802de12ff8e5661268c5c 100644
--- a/automatic_updates_extensions/tests/src/Kernel/Validator/UpdateReleaseValidatorTest.php
+++ b/automatic_updates_extensions/tests/src/Kernel/Validator/UpdateReleaseValidatorTest.php
@@ -51,8 +51,9 @@ class UpdateReleaseValidatorTest extends AutomaticUpdatesExtensionsKernelTestBas
       ->set("system_info.$project", $module_info)
       ->save();
 
+    $path_to_fixtures_folder = $project === 'aaa_update_test' ? '/../../../../../package_manager/tests/' : '/../../../';
     $this->setReleaseMetadata([
-      $project => __DIR__ . "/../../../fixtures/release-history/$project.1.1.xml",
+      $project => __DIR__ . $path_to_fixtures_folder . "fixtures/release-history/$project.1.1.xml",
       'drupal' => __DIR__ . '/../../../../../package_manager/tests/fixtures/release-history/drupal.9.8.2.xml',
     ]);