Change tests using Olivero

$ git grep -lwi olivero | grep -v core/themes/olivero/ | grep -v core/assets | grep -v phpstan-baseline | grep -v MAINTAINERS | grep -v core/.cspell.json | grep -v core/misc/cspell/drupal-dictionary | grep -v core/modules/shortcut | grep -v core/modules/search | grep -i test | grep -v core/tests/README.md | nl
1 core/modules/block/tests/src/Functional/BlockAdminThemeTest.php
2 core/modules/block/tests/src/Functional/NonDefaultBlockAdminTest.php
3 core/modules/block/tests/src/FunctionalJavascript/BlockDragTest.php
4 core/modules/block/tests/src/Kernel/ConfigActionsTest.php
5 core/modules/breakpoint/tests/src/Kernel/BreakpointDiscoveryTest.php
6 core/modules/breakpoint/tests/themes/breakpoint_theme_test/breakpoint_theme_test.info.yml
7 core/modules/comment/tests/src/Functional/CommentDisplayConfigurableTest.php
8 core/modules/comment/tests/src/Functional/CommentPreviewTest.php
9 core/modules/config/tests/src/Functional/ConfigImportUITest.php
10 core/modules/filter/tests/src/Kernel/FilterKernelTest.php
11 core/modules/image/tests/src/Kernel/ImageThemeFunctionTest.php
12 core/modules/locale/tests/src/Functional/LocaleThemeInstallTest.php
13 core/modules/node/tests/src/Functional/NodeDisplayConfigurableTest.php
14 core/modules/package_manager/tests/src/Kernel/StagedDBUpdateValidatorTest.php
15 core/modules/page_cache/tests/src/Functional/PageCacheTagsIntegrationTest.php
16 core/modules/system/tests/modules/image_lazy_load_test/src/Controller/ImageLazyLoadController.php
17 core/modules/system/tests/modules/olivero_test/config/optional/block.block.olivero_secondary_local_tasks.yml
18 core/modules/system/tests/modules/olivero_test/olivero_test.info.yml
19 core/modules/system/tests/src/Functional/Batch/PageTest.php
20 core/modules/system/tests/src/Functional/Condition/ConditionFormTest.php
21 core/modules/system/tests/src/Functional/Entity/EntityComputedFieldTest.php
22 core/modules/system/tests/src/Functional/Menu/BreadcrumbTest.php
23 core/modules/system/tests/src/Functional/Menu/MenuRouterTest.php
24 core/modules/system/tests/src/Functional/System/ThemeTest.php
25 core/modules/system/tests/src/Functional/UpdateSystem/UpdatePathTestBaseFilledTest.php
26 core/modules/system/tests/src/Kernel/Theme/TwigNamespaceTest.php
27 core/modules/taxonomy/tests/src/Functional/ThemeTest.php
28 core/modules/views/tests/src/Kernel/Handler/AreaOrderTest.php
29 core/profiles/tests/nightwatch_a11y_testing/config/install/system.theme.yml
30 core/profiles/tests/nightwatch_a11y_testing/nightwatch_a11y_testing.info.yml
31 core/tests/Drupal/BuildTests/Command/GenerateThemeTest.php
32 core/tests/Drupal/FunctionalTests/Installer/DistributionProfileExistingSettingsTest.php
33 core/tests/Drupal/Nightwatch/Tests/a11yTestDefault.js
34 core/tests/Drupal/TestSite/HtmxAssetLoadTestSetup.php
35 core/tests/Drupal/TestSite/TestSiteClaroInstallTestScript.php
36 core/tests/Drupal/TestSite/TestSiteOliveroInstallTestScript.php
37 core/tests/Drupal/Tests/WebAssert.php

These use the 'olivero_test' module so changing those is worth a separate issue.

core/modules/comment/tests/src/Functional/CommentPreviewTest.php
core/modules/search/tests/src/Nightwatch/Tests/Olivero/TestSiteOliveroInstallTestScript.php
core/modules/system/tests/modules/olivero_test/olivero_test.links.menu.yml
core/modules/system/tests/modules/olivero_test/src/Hook/OliveroTestThemeHooks.php
core/modules/system/tests/src/Functional/Menu/BreadcrumbTest.php
core/tests/Drupal/FunctionalTests/Theme/OliveroTest.php
core/tests/Drupal/TestSite/TestSiteClaroInstallTestScript.php
core/tests/Drupal/TestSite/TestSiteOliveroInstallTestScript.php

Move to #3618256: Adjust tests using olivero_test test module