function expectNoParameterHint() {
            var requestStatus = undefined;
            runs(function () {
                var request = phProvider._getParameterHint();
                request.fail(function (status) {
                    requestStatus = status;
                });

                waitsForFail(request, "ParameterHints");
            });
         
            runs(function () {
                expect(requestStatus).toBe(null);
            });  
        }
Verify there is no parameter hint at the current cursor.