def test_jsarray_contsructor(self):
        self.run_script("""
        var x = [];
        x.foo = "bar";
        x["zap"] = "foo";
        baz("zap" in x);
        """)
        self.assert_silent()
Test for tracebacks that were caused by JSArray not calling it's parent's
dataset/ETHPy150Open mozilla/app-validator/tests/js/test_jstypes.py/TestTracebacks.test_jsarray_contsructor