10 files declare their use of RequirementsPageTrait in Drupal 9
- InstallerTestBase.php in core/
tests/ Drupal/ FunctionalTests/ Installer/ InstallerTestBase.php - InvalidUpdateHookTest.php in core/
modules/ system/ tests/ src/ Functional/ UpdateSystem/ InvalidUpdateHookTest.php - LocaleTranslatedSchemaDefinitionTest.php in core/
modules/ locale/ tests/ src/ Functional/ LocaleTranslatedSchemaDefinitionTest.php - MinimalTest.php in core/
profiles/ minimal/ tests/ src/ Functional/ MinimalTest.php - NoPreExistingSchemaUpdateTest.php in core/
modules/ system/ tests/ src/ Functional/ UpdateSystem/ NoPreExistingSchemaUpdateTest.php - StandardTest.php in core/
profiles/ standard/ tests/ src/ Functional/ StandardTest.php - UpdateCacheTest.php in core/
modules/ system/ tests/ src/ Functional/ UpdateSystem/ UpdateCacheTest.php - UpdateSchemaTest.php in core/
modules/ system/ tests/ src/ Functional/ UpdateSystem/ UpdateSchemaTest.php - UpdateScriptTest.php in core/
modules/ system/ tests/ src/ Functional/ UpdateSystem/ UpdateScriptTest.php - UpdatesWith7xTest.php in core/
modules/ system/ tests/ src/ Functional/ UpdateSystem/ UpdatesWith7xTest.php