diff --git a/core/drupalci.yml b/core/drupalci.yml
index cd92d8102d..412350e10f 100644
--- a/core/drupalci.yml
+++ b/core/drupalci.yml
@@ -3,49 +3,15 @@
 # https://www.drupal.org/drupalorg/docs/drupal-ci/customizing-drupalci-testing
 _phpunit_testgroups_to_execute: &testgroups
   # Default: all of Drupal core's test suite runs.
-  testgroups: '--all'
+  testgroups: '--class "\Drupal\Tests\block\Kernel\Migrate\d7\MigrateBlockContentTranslationTest"'
   # Alternative: run only the tests for one particular module.
   # testgroups: '--module ckeditor5'
 build:
   assessment:
     testing:
-      # Run code quality checks.
-      container_command.commit-checks:
-        commands:
-          - "core/scripts/dev/commit-code-check.sh --drupalci"
-        halt-on-fail: true
-      # run_tests task is executed several times in order of performance speeds.
-      # halt-on-fail can be set on the run_tests tasks in order to fail fast.
-      # suppress-deprecations is false in order to be alerted to usages of
-      # deprecated code.
-      run_tests.phpunit:
-        types: 'PHPUnit-Unit'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
       run_tests.kernel:
         types: 'PHPUnit-Kernel'
         suppress-deprecations: false
         halt-on-fail: false
         <<: *testgroups
-      run_tests.build:
-        # Limit concurrency due to disk space concerns.
-        concurrency: 15
-        types: 'PHPUnit-Build'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
-      run_tests.functional:
-        types: 'PHPUnit-Functional'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
-      run_tests.javascript:
-        concurrency: 15
-        types: 'PHPUnit-FunctionalJavascript'
-        suppress-deprecations: false
-        halt-on-fail: false
-        <<: *testgroups
-      # Run nightwatch testing.
-      # @see https://www.drupal.org/project/drupal/issues/2869825
-      nightwatchjs: {}
+        repeat: 5000
diff --git a/core/lib/Drupal/Core/Extension/InfoParserDynamic.php b/core/lib/Drupal/Core/Extension/InfoParserDynamic.php
index 8298223a37..4f4b0e0b88 100644
--- a/core/lib/Drupal/Core/Extension/InfoParserDynamic.php
+++ b/core/lib/Drupal/Core/Extension/InfoParserDynamic.php
@@ -51,7 +51,7 @@ public function parse($filename) {
         throw new InfoParserException('Missing required keys (' . implode(', ', $missing_keys) . ') in ' . $filename);
       }
       if (!isset($parsed_info['core_version_requirement'])) {
-        if (str_starts_with($filename, 'core/') || str_starts_with($filename, $this->root . '/core/')) {
+        if (str_starts_with($filename, 'core/') || str_starts_with($filename, $this->root . DIRECTORY_SEPARATOR . 'core/')) {
           // Core extensions do not need to specify core compatibility: they are
           // by definition compatible so a sensible default is used. Core
           // modules are allowed to provide these for testing purposes.
diff --git a/core/modules/block/tests/src/Kernel/Migrate/d7/MigrateBlockContentTranslationTest.php b/core/modules/block/tests/src/Kernel/Migrate/d7/MigrateBlockContentTranslationTest.php
index 9ddedf987d..17fb9dfec0 100644
--- a/core/modules/block/tests/src/Kernel/Migrate/d7/MigrateBlockContentTranslationTest.php
+++ b/core/modules/block/tests/src/Kernel/Migrate/d7/MigrateBlockContentTranslationTest.php
@@ -3,6 +3,8 @@
 namespace Drupal\Tests\block\Kernel\Migrate\d7;
 
 use Drupal\Tests\migrate_drupal\Kernel\d7\MigrateDrupal7TestBase;
+use Symfony\Component\VarDumper\Cloner\VarCloner;
+use Symfony\Component\VarDumper\Dumper\CliDumper;
 
 /**
  * Tests migration of i18n block translations.
@@ -62,7 +64,26 @@ public function testBlockContentTranslation() {
     $language_manager = $this->container->get('language_manager');
 
     $config = $language_manager->getLanguageConfigOverride('fr', 'block.block.bartik_user_login');
-    $this->assertSame('fr - User login title', $config->get('settings.label'));
+
+    $cloner = new VarCloner();
+    $dumper = new CliDumper();
+    $output = '';
+    $dumper->dump(
+      $cloner->cloneVar($config->get('settings')),
+      function ($line, $depth) use (&$output) {
+        // A negative depth means "end of dump"
+        if ($depth >= 0) {
+          // Adds a two spaces indentation to the line
+          $output .= str_repeat('  ', $depth) . $line . "\n";
+        }
+      }
+    );
+
+    $this->assertNotNull($config);
+    $this->assertIsArray($config->get('settings'), $output);
+    $this->assertArrayHasKey('label', $config->get('settings'), $output);
+
+    $this->assertSame('fr - User login title', $config->get('settings.label'), $output);
   }
 
 }