Note: this list is generated by looking for the string for this theme hook, so it may include some references that are not actually using this theme hook.
- IconTestCase::setUp in core/modules/ simpletest/ tests/ icon.test 
- Sets up a Backdrop site for running functional and integration tests.
- SystemThemeFunctionalTest::testAdministrationTheme in core/modules/ system/ tests/ system.test 
- Test the administration theme functionality.
- SystemThemeFunctionalTest::testPerThemeSettings in core/modules/ system/ tests/ system.test 
- Test the individual per-theme settings form.
- SystemThemeFunctionalTest::testThemeSettings in core/modules/ system/ tests/ system.test 
- Test theme settings.
- ThemeDebugMarkupTestCase::setUp in core/modules/ simpletest/ tests/ theme.test 
- Sets up a Backdrop site for running functional and integration tests.
- ThemeFastTestCase::setUp in core/modules/ simpletest/ tests/ theme.test 
- Sets up a Backdrop site for running functional and integration tests.
- ThemeHookInitUnitTest::setUp in core/modules/ simpletest/ tests/ theme.test 
- Sets up a Backdrop site for running functional and integration tests.
- ThemeHtmlTplPhpAttributesTestCase::setUp in core/modules/ simpletest/ tests/ theme.test 
- Sets up a Backdrop site for running functional and integration tests.
- ThemeRegistryTestCase::setUp in core/modules/ simpletest/ tests/ theme.test 
- Sets up a Backdrop site for running functional and integration tests.
- ThemeUnitTest::setUp in core/modules/ simpletest/ tests/ theme.test 
- Sets up a Backdrop site for running functional and integration tests.
- ThemeUnitTest::testRegistryRebuild in core/modules/ simpletest/ tests/ theme.test 
- Ensures the theme registry is rebuilt when modules are disabled/enabled.
- theme_test_system_theme_info in core/modules/ simpletest/ tests/ theme_test.module 
- Implements hook_system_theme_info().
- theme_test_theme in core/modules/ simpletest/ tests/ theme_test.module 
- Implements hook_theme().
- _theme_test_suggestion in core/modules/ simpletest/ tests/ theme_test.module 
- Page callback, calls a theme hook suggestion.
- _theme_test_suggestion in core/modules/ simpletest/ tests/ theme_test.module 
- Page callback, calls a theme hook suggestion.
