58 files declare their use of Yaml

argument-placeholder.php in core/modules/views/tests/fixtures/update/argument-placeholder.php
Text fixture.
boolean-filter-values.php in core/modules/views/tests/fixtures/update/boolean-filter-values.php
Test fixture.
ConfigController.php in core/modules/config/src/Controller/ConfigController.php
ConfigExportUITest.php in core/modules/config/tests/src/Functional/ConfigExportUITest.php
ConfigInstallProfileUnmetDependenciesTest.php in core/modules/config/tests/src/Functional/ConfigInstallProfileUnmetDependenciesTest.php
ConfigManager.php in core/lib/Drupal/Core/Config/ConfigManager.php
ConfigSingleExportForm.php in core/modules/config/src/Form/ConfigSingleExportForm.php
ConfigSingleImportExportTest.php in core/modules/config/tests/src/Functional/ConfigSingleImportExportTest.php
ConfigSingleImportForm.php in core/modules/config/src/Form/ConfigSingleImportForm.php
datetime_range-filter-values.php in core/modules/datetime_range/tests/fixtures/update/datetime_range-filter-values.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2786577.
dblog-2851293.php in core/modules/dblog/tests/fixtures/update/dblog-2851293.php
Test fixture.
DblogFiltersAndFieldsUpgradeTest.php in core/modules/dblog/tests/src/Functional/Update/DblogFiltersAndFieldsUpgradeTest.php
DistributionProfileTest.php in core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTest.php
DistributionProfileTranslationQueryTest.php in core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationQueryTest.php
DistributionProfileTranslationTest.php in core/tests/Drupal/FunctionalTests/Installer/DistributionProfileTranslationTest.php
drupal-8.action-3022401.php in core/modules/action/tests/fixtures/update/drupal-8.action-3022401.php
Contains database additions to for testing upgrade path for action settings.
drupal-8.actions-2815379.php in core/modules/system/tests/fixtures/update/drupal-8.actions-2815379.php
Contains database additions to for testing upgrade path for action plugins.
drupal-8.block-context-manager-2354889.php in core/modules/system/tests/fixtures/update/drupal-8.block-context-manager-2354889.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2354889.
drupal-8.local-actions-tasks-into-blocks-507488.php in core/modules/system/tests/fixtures/update/drupal-8.local-actions-tasks-into-blocks-507488.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/507488.
drupal-8.page-title-into-block-2476947.php in core/modules/system/tests/fixtures/update/drupal-8.page-title-into-block-2476947.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2476947.
drupal-8.rest-rest_post_update_resource_granularity.php in core/modules/rest/tests/fixtures/update/drupal-8.rest-rest_post_update_resource_granularity.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of rest_post_update_resource_granularity().
drupal-8.seven-secondary-local-tasks-block-2569529.php in core/modules/system/tests/fixtures/update/drupal-8.seven-secondary-local-tasks-block-2569529.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/507488.
drupal-8.site-branding-into-block-2005546.php in core/modules/system/tests/fixtures/update/drupal-8.site-branding-into-block-2005546.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2005546.
drupal-8.taxonomy-term-publishing-status-ui-2899923.php in core/modules/taxonomy/tests/fixtures/update/drupal-8.taxonomy-term-publishing-status-ui-2899923.php
Contains database additions to drupal-8.filled.standard.php.gz for testing the upgrade path of https://www.drupal.org/project/drupal/issues/2899923.
drupal-8.views-entity-views-data-2455125.php in core/modules/system/tests/fixtures/update/drupal-8.views-entity-views-data-2455125.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2455125.
drupal-8.views-entity-views-data-2846614.php in core/modules/system/tests/fixtures/update/drupal-8.views-entity-views-data-2846614.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2455125.
drupal-8.views-revision-metadata-fields-2248983.php in core/modules/system/tests/fixtures/update/drupal-8.views-revision-metadata-fields-2248983.php
Contains database additions to drupal-8.2.1.bare.standard_with_entity_test_enabled.php.gz for testing the upgrade path of https://www.drupal.org/node/2248983.
drupal-8.views-taxonomy-parent-2543726.php in core/modules/system/tests/fixtures/update/drupal-8.views-taxonomy-parent-2543726.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2455125.
drupal-8.views-taxonomy-term-publishing-status-2981887.php in core/modules/taxonomy/tests/fixtures/update/drupal-8.views-taxonomy-term-publishing-status-2981887.php
Contains database additions to drupal-8.filled.standard.php.gz for testing the upgrade path of https://www.drupal.org/project/drupal/issues/2981887.
drupal-8.views_block_content-2976334.php in core/modules/block_content/tests/fixtures/update/drupal-8.views_block_content-2976334.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/project/drupal/issues/2976334.
drupal-8.views_entity_reference_plugins-2429191.php in core/modules/field/tests/fixtures/update/drupal-8.views_entity_reference_plugins-2429191.php
Contains database additions to drupal-8.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2429191.
drupal8.views-image-style-dependency-2649914.php in core/modules/system/tests/fixtures/update/drupal8.views-image-style-dependency-2649914.php
Contains database additions to drupal-8-rc1.bare.standard.php.gz for testing the upgrade path of https://www.drupal.org/node/2649914.
duplicate-field-handler.php in core/modules/views/tests/fixtures/update/duplicate-field-handler.php
Test fixture.
entity-link-output-url.php in core/modules/views/tests/fixtures/update/entity-link-output-url.php
Test fixture.
EntityTypeWithoutViewsDataTest.php in core/modules/datetime_range/tests/src/Kernel/Views/EntityTypeWithoutViewsDataTest.php
exposed-filter-blocks.php in core/modules/views/tests/fixtures/update/exposed-filter-blocks.php
Test fixture.
FileStorage.php in core/lib/Drupal/Core/Config/FileStorage.php
FileStorageTest.php in core/tests/Drupal/KernelTests/Core/Config/Storage/FileStorageTest.php
filter-placeholder-text.php in core/modules/views/tests/fixtures/update/filter-placeholder-text.php
Test fixture.
FunctionalTestSetupTrait.php in core/lib/Drupal/Core/Test/FunctionalTestSetupTrait.php
HelpTopicDiscovery.php in core/modules/help_topics/src/HelpTopicDiscovery.php
HelpTopicTwigLoader.php in core/modules/help_topics/src/HelpTopicTwigLoader.php
InfoParserDynamic.php in core/lib/Drupal/Core/Extension/InfoParserDynamic.php
InstallerNonEnglishProfileWithoutLocaleModuleTest.php in core/tests/Drupal/FunctionalTests/Installer/InstallerNonEnglishProfileWithoutLocaleModuleTest.php
legacy-bulk-form-update.php in core/modules/views/tests/fixtures/update/legacy-bulk-form-update.php
Test fixture.
LibraryDiscoveryParser.php in core/lib/Drupal/Core/Asset/LibraryDiscoveryParser.php
limit-exposed-operators.php in core/modules/views/tests/fixtures/update/limit-exposed-operators.php
Test fixture.
ModuleInstaller.php in core/lib/Drupal/Core/Extension/ModuleInstaller.php
ResponsiveImageUpdateTest.php in core/modules/responsive_image/tests/src/Functional/Update/ResponsiveImageUpdateTest.php
rest-export-with-authentication-correction.php in core/modules/rest/tests/fixtures/update/rest-export-with-authentication-correction.php
Test fixture for \Drupal\Tests\rest\Functional\Update\RestExportAuthCorrectionUpdateTest.
rest-export-with-authentication.php in core/modules/rest/tests/fixtures/update/rest-export-with-authentication.php
Test fixture for \Drupal\rest\Tests\Update\RestExportAuthUpdateTest.
SingleVisibleProfileTest.php in core/tests/Drupal/FunctionalTests/Installer/SingleVisibleProfileTest.php
table-cache-max-age.php in core/modules/views/tests/fixtures/update/table-cache-max-age.php
Test fixture.
test_scale_and_crop_add_anchor.php in core/modules/image/tests/fixtures/update/test_scale_and_crop_add_anchor.php
Test fixture.
views-data-table-dependency.php in core/modules/views/tests/fixtures/update/views-data-table-dependency.php
Contains database additions to drupal-8.bare.standard.php.gz for testing views_post_update_views_data_table_dependencies().
YamlDiscovery.php in core/lib/Drupal/Core/Discovery/YamlDiscovery.php
YamlFileLoader.php in core/lib/Drupal/Core/DependencyInjection/YamlFileLoader.php
YamlTest.php in core/tests/Drupal/Tests/Core/Serialization/YamlTest.php

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