Improve the failure message from Drupal\KernelTests\Core\DependencyInjection\AutowireTest

Sample output

phpunit -c app/core app/core/tests/Drupal/KernelTests/Core/DependencyInjection/AutowireTest.php --filter=CoreSer
⏳️ Bootstrapped tests in 0 seconds.
🐘 PHP Version 8.1.23.
💧 Drupal Version 11.0-dev.
🗄️  Database engine mysql.
PHPUnit 9.6.13 by Sebastian Bergmann and contributors.

Testing Drupal\KernelTests\Core\DependencyInjection\AutowireTest
F                                                                   1 / 1 (100%)

Time: 00:00.943, Memory: 12.00 MB

There was 1 failure:

1) Drupal\KernelTests\Core\DependencyInjection\AutowireTest::testCoreServiceAliases
The following core services do not have map the class name to an alias. Add the following to core.services.yml in the appropriate place: 

Drupal\Core\Foo: '@foo.class'

Failed asserting that two arrays are identical.
--- Expected
+++ Actual
@@ @@
     'Drupal\Core\TempStore\SharedTempStoreFactory' => 'tempstore.shared'
     'Drupal\Core\Pager\PagerManagerInterface' => 'pager.manager'
     'Drupal\Core\Pager\PagerParametersInterface' => 'pager.parameters'
-    'Drupal\Core\Foo' => 'foo.class'
 )

/data/app/core/tests/Drupal/KernelTests/Core/DependencyInjection/AutowireTest.php:115

Output message seems clear and obviously way more helpful!

Committed and pushed 2402f97b33 to 11.x and 09d7cff72b to 10.2.x and c354872a25 to 10.1.x. Thanks!

Automatically closed - issue fixed for 2 weeks with no activity.