void () { CodeInsightSettings.getInstance().setCompletionCaseSensitive(CodeInsightSettings.NONE); configure(); assertEquals(myFixture.getLookupElementStrings(), List.of("extends", "super")); LookupManager.getInstance(getProject()).hideActiveLookup(); myFixture.type('n'); assertEmpty(myFixture.completeBasic()); myFixture.type('\b'); checkResultByFile(getTestName(false) + ".java"); }