56 files declare their use of TestFileCreationTrait in Drupal 9

AjaxFileManagedMultipleTest.php in core/modules/file/tests/src/FunctionalJavascript/AjaxFileManagedMultipleTest.php

CKEditorIntegrationTest.php in core/modules/media_library/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php

CKEditorIntegrationTest.php in core/modules/media/tests/src/FunctionalJavascript/CKEditorIntegrationTest.php

CommentPreviewTest.php in core/modules/comment/tests/src/Functional/CommentPreviewTest.php

ConfigImportUploadTest.php in core/modules/config/tests/src/Functional/ConfigImportUploadTest.php

ContentEntityFormFieldValidationFilteringTest.php in core/tests/Drupal/FunctionalTests/Entity/ContentEntityFormFieldValidationFilteringTest.php

ContentModerationTest.php in core/modules/media_library/tests/src/FunctionalJavascript/ContentModerationTest.php

ContentTranslationFieldSyncRevisionTest.php in core/modules/content_translation/tests/src/Kernel/ContentTranslationFieldSyncRevisionTest.php

ContentTranslationLanguageChangeTest.php in core/modules/content_translation/tests/src/Functional/ContentTranslationLanguageChangeTest.php

ContentTranslationSyncImageTest.php in core/modules/content_translation/tests/src/Functional/ContentTranslationSyncImageTest.php

DrupalSelenium2DriverTest.php in core/tests/Drupal/FunctionalJavascriptTests/Tests/DrupalSelenium2DriverTest.php

EditorFileReferenceFilterTest.php in core/modules/editor/tests/src/Kernel/EditorFileReferenceFilterTest.php

EditorUploadImageScaleTest.php in core/modules/editor/tests/src/Functional/EditorUploadImageScaleTest.php

EmbeddedFormWidgetTest.php in core/modules/media_library/tests/src/FunctionalJavascript/EmbeddedFormWidgetTest.php

EntityReferenceFileUploadTest.php in core/modules/field/tests/src/Functional/EntityReference/EntityReferenceFileUploadTest.php

FileFieldTestBase.php in core/modules/file/tests/src/Functional/FileFieldTestBase.php

FileFieldValidateTest.php in core/modules/file/tests/src/FunctionalJavascript/FileFieldValidateTest.php

FileFieldWidgetTest.php in core/modules/file/tests/src/FunctionalJavascript/FileFieldWidgetTest.php

FileMoveTest.php in core/modules/image/tests/src/Functional/FileMoveTest.php

FilterHtmlImageSecureTest.php in core/modules/filter/tests/src/Functional/FilterHtmlImageSecureTest.php

ImageAdminStylesTest.php in core/modules/image/tests/src/Functional/ImageAdminStylesTest.php

ImageDimensionsTest.php in core/modules/image/tests/src/Functional/ImageDimensionsTest.php

ImageFieldAttributesTest.php in core/modules/rdf/tests/src/Functional/ImageFieldAttributesTest.php

ImageFieldDefaultImagesTest.php in core/modules/image/tests/src/Functional/ImageFieldDefaultImagesTest.php

ImageFieldDisplayTest.php in core/modules/image/tests/src/Functional/ImageFieldDisplayTest.php

ImageFieldTestBase.php in core/modules/image/tests/src/FunctionalJavascript/ImageFieldTestBase.php

ImageFieldValidateTest.php in core/modules/image/tests/src/Functional/ImageFieldValidateTest.php

ImageFieldWidgetMultipleTest.php in core/modules/image/tests/src/FunctionalJavascript/ImageFieldWidgetMultipleTest.php

ImageOnTranslatedEntityTest.php in core/modules/image/tests/src/Functional/ImageOnTranslatedEntityTest.php

ImageStyleFlushTest.php in core/modules/image/tests/src/Functional/ImageStyleFlushTest.php

ImageStylesPathAndUrlTest.php in core/modules/image/tests/src/Functional/ImageStylesPathAndUrlTest.php

ImageThemeFunctionTest.php in core/modules/image/tests/src/Kernel/ImageThemeFunctionTest.php

InlineBlockPrivateFilesTest.php in core/modules/layout_builder/tests/src/FunctionalJavascript/InlineBlockPrivateFilesTest.php

MaximumFileSizeExceededUploadTest.php in core/modules/file/tests/src/FunctionalJavascript/MaximumFileSizeExceededUploadTest.php

MediaEmbedFilterTestBase.php in core/modules/media/tests/src/Kernel/MediaEmbedFilterTestBase.php

MediaSourceImageTest.php in core/modules/media/tests/src/Functional/MediaSourceImageTest.php

PagePreviewTest.php in core/modules/node/tests/src/Functional/PagePreviewTest.php

QuickEditFileTest.php in core/modules/quickedit/tests/src/FunctionalJavascript/QuickEditFileTest.php

QuickEditImageControllerTest.php in core/modules/quickedit/tests/src/Functional/QuickEditImageControllerTest.php

QuickEditImageTest.php in core/modules/quickedit/tests/src/FunctionalJavascript/QuickEditImageTest.php

QuickEditLoadingTest.php in core/modules/quickedit/tests/src/FunctionalJavascript/QuickEditLoadingTest.php

ResponsiveImageFieldDisplayTest.php in core/modules/responsive_image/tests/src/Functional/ResponsiveImageFieldDisplayTest.php

SaveUploadFormTest.php in core/modules/file/tests/src/Functional/SaveUploadFormTest.php

SaveUploadTest.php in core/modules/file/tests/src/Functional/SaveUploadTest.php

StateValuesCleanAdvancedTest.php in core/modules/system/tests/src/Functional/Form/StateValuesCleanAdvancedTest.php

TaxonomyImageTest.php in core/modules/taxonomy/tests/src/Functional/TaxonomyImageTest.php

TextFieldTest.php in core/modules/text/tests/src/Functional/TextFieldTest.php

ThemeSettingsFormTest.php in core/modules/system/tests/src/FunctionalJavascript/ThemeSettingsFormTest.php

ThemeTest.php in core/modules/system/tests/src/Functional/System/ThemeTest.php

ToolkitTestBase.php in core/tests/Drupal/FunctionalTests/Image/ToolkitTestBase.php

ToolkitTestTrait.php in core/tests/Drupal/Tests/Traits/Core/Image/ToolkitTestTrait.php

TranslationsTest.php in core/modules/media_library/tests/src/FunctionalJavascript/TranslationsTest.php

UpdateUploadTest.php in core/modules/update/tests/src/Functional/UpdateUploadTest.php

UserPasswordResetTest.php in core/modules/user/tests/src/FunctionalJavascript/UserPasswordResetTest.php

UserPictureTest.php in core/modules/user/tests/src/Functional/UserPictureTest.php

WidgetUploadTest.php in core/modules/media_library/tests/src/FunctionalJavascript/WidgetUploadTest.php