Issue #3420740 by quietone, BramDriesen, smustgrave: Fix words in tests using ignore

core/misc/cspell/dictionary.txt

...modules/big_pipe_test/src/BigPipePlaceholderTestCases.php

core/modules/block/tests/src/Functional/BlockUiTest.php

core/modules/block/tests/src/Kernel/BlockInterfaceTest.php

...itor5/tests/src/FunctionalJavascript/MediaLibraryTest.php

...es/ckeditor5/tests/src/FunctionalJavascript/MediaTest.php

...or5/tests/src/Nightwatch/Tests/ckEditor5CodeSyntaxTest.js

...5/tests/src/Nightwatch/Tests/ckEditor5EditorHeightTest.js

.../file/tests/src/Functional/FileOnTranslatedEntityTest.php

...mage/tests/src/Functional/ImageOnTranslatedEntityTest.php

core/modules/jsonapi/tests/src/Functional/SearchPageTest.php

core/modules/jsonapi/tests/src/Unit/JsonApiSpecTest.php

.../modules/locale/tests/src/Functional/LocaleUpdateTest.php

...sts/src/Functional/FieldFormatter/OEmbedFormatterTest.php

...odules/media/tests/src/Functional/ResourceFetcherTest.php

core/modules/media/tests/src/Functional/UrlResolverTest.php

...s/src/FunctionalJavascript/MediaSourceOEmbedVideoTest.php

...sts/src/FunctionalJavascript/MediaStandardProfileTest.php

.../tests/src/FunctionalJavascript/MediaTypeCreationTest.php

.../tests/src/FunctionalJavascript/ContentModerationTest.php