Issue #3470386 by christian.wiedemann: Functional Tests Framework

.../src/Functional/LayoutBuilderFieldFormatterRenderTest.php

.../src/fixtures/core.entity_view_display.node.page.full.yml

..._layouts/tests/src/Functional/LayoutBuilderRenderTest.php

...ns_layouts/tests/src/Kernel/UIPatternsLayoutsTestBase.php

.../src/fixtures/core.entity_view_display.node.page.full.yml

...st-wrapper-component/test-wrapper-component.component.yml

...onents/test-wrapper-component/test-wrapper-component.twig

...terns_test/src/Plugin/UiPatterns/Source/ContextExists.php

tests/src/Functional/UiPatternsFunctionalTestBase.php

tests/src/Kernel/SourcePluginsTestBase.php

tests/src/Traits/RunSourcePluginTestTrait.php

tests/src/Traits/TestContentCreationTrait.php

tests/src/Traits/TestDataTrait.php

tests/src/fixtures/TestDataSet.yml