function processTestCases(testCases) {
  return testCases.map((x) => ({
    title: x.title,
    value: x.value,
    args: [x.value, null, {}],
    json: {value: x.value},
  }));
}
Helper method to reformat raw test cases to a format that the
various tests can use.
@param {!Array<!Object>} testCases raw testcases that
need to be reformatted
@returns {!Array<!Object>} the reformatted test cases
that can be used by various tests