12 files declare their use of MemoryBackend in Drupal 9
- AssetResolverTest.php in core/
tests/ Drupal/ Tests/ Core/ Asset/ AssetResolverTest.php - Contains \Drupal\Tests\Core\Asset\AssetResolverTest.
- BackendChainImplementationUnitTest.php in core/
tests/ Drupal/ Tests/ Core/ Cache/ BackendChainImplementationUnitTest.php - BackendChainTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Cache/ BackendChainTest.php - ChainedFastBackendTest.php in core/
tests/ Drupal/ Tests/ Core/ Cache/ ChainedFastBackendTest.php - MemoryBackendTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Cache/ MemoryBackendTest.php - MemoryCache.php in core/
lib/ Drupal/ Core/ Cache/ MemoryCache/ MemoryCache.php - PluginTestBase.php in core/
tests/ Drupal/ KernelTests/ Core/ Plugin/ PluginTestBase.php - RendererBubblingTest.php in core/
tests/ Drupal/ Tests/ Core/ Render/ RendererBubblingTest.php - Contains \Drupal\Tests\Core\Render\RendererBubblingTest.
- RendererTestBase.php in core/
tests/ Drupal/ Tests/ Core/ Render/ RendererTestBase.php - Contains \Drupal\Tests\Core\Render\RendererTestBase.
- RouteProviderTest.php in core/
tests/ Drupal/ KernelTests/ Core/ Routing/ RouteProviderTest.php - Contains \Drupal\KernelTests\Core\Routing\RouteProviderTest.
- StorageComparer.php in core/
lib/ Drupal/ Core/ Config/ StorageComparer.php - ThemeExtensionListTest.php in core/
tests/ Drupal/ Tests/ Core/ Extension/ ThemeExtensionListTest.php