https://issuetracker.unity3d.com/issues/testrunner-unable-to-delete-newassembly-from-assembly-definition-references-list-in-test-import-setting
Unity Issue Tracker - [TestRunner] Unable to delete NewAssembly from Assembly Definition References...
Unable to delete NewAssembly from Assembly Definition References list in Test Import Setting. User can't select None option also Ste...
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