function testInvalidBezier(str, expectedArray) {
                var match = TimingFunctionUtils.timingFunctionMatch(str, false);
                runs(function () {
                    expectArraysToBeEqual(match, expectedArray);
                    expect(match.originalString).toEqual(str);
                });
            }
Expects an invalid steps() function to be corrected the right way, with the right match
and originalString given a string to match and an expectation of the output match.
@param {string} str The string to match
@param {Array} expectedArray The array that should equal the output match.