6 files declare their use of ThunderArticleTestTrait in Thunder 8.5

AccessUnpublishedTest.php in tests/src/FunctionalJavascript/Integration/AccessUnpublishedTest.php

AutofillTest.php in tests/src/FunctionalJavascript/Integration/AutofillTest.php

NestedTableDragTest.php in tests/src/FunctionalJavascript/Integration/NestedTableDragTest.php

ParagraphsFeaturesTest.php in tests/src/FunctionalJavascript/Integration/ParagraphsFeaturesTest.php

ParagraphSplitTest.php in tests/src/FunctionalJavascript/Integration/ParagraphSplitTest.php

RiddleTest.php in tests/src/FunctionalJavascript/Integration/RiddleTest.php