void () { var functionName = "__add__"; launchAndGetMembers("ExtractMe"); var function = getMemberEntryByName(functionName); Assert.assertTrue("Property is not checked, method must be open to be abstract", function.mayBeAbstract()); selectMember("__radd__"); function = getMemberEntryByName(functionName); Assert.assertFalse("Property is checked, method can't be abstract", function.mayBeAbstract()); }