Issue #3472970 by quietone: Add ignore for some words used in tests

core/misc/cspell/dictionary.txt

...modules/config/tests/config_test/src/ConfigValidation.php

...editor/tests/src/FunctionalJavascript/EditorAdminTest.php

.../src/Plugin/Field/FieldWidget/TestFieldWidgetMultiple.php

...odules/field/tests/src/Kernel/WidgetPluginManagerTest.php

...d_ui/tests/src/FunctionalJavascript/ManageDisplayTest.php

core/modules/filter/tests/src/Kernel/FilterKernelTest.php

...sts/src/FunctionalJavascript/ContentPreviewToggleTest.php

...tionalJavascript/LayoutBuilderDisableInteractionsTest.php

...er/tests/src/FunctionalJavascript/LayoutBuilderUiTest.php

...lder/tests/src/FunctionalJavascript/MoveBlockFormTest.php

core/modules/media/tests/src/Kernel/MediaSourceTest.php

...dules/mysql/tests/src/Kernel/mysql/ConnectionUnitTest.php

...modules/page_cache/tests/src/Functional/PageCacheTest.php

...dules/pgsql/tests/src/Kernel/pgsql/ConnectionUnitTest.php

core/modules/pgsql/tests/src/Kernel/pgsql/SchemaTest.php

...dules/pgsql/tests/src/Kernel/pgsql/TemporaryQueryTest.php

...image/tests/src/Functional/ResponsiveImageAdminUITest.php

...les/update_test_postupdate/update_test_postupdate.install

...te_test_postupdate/update_test_postupdate.post_update.php