 value");
test(function(){
  _StepTest.min = "13:00";
  this.add_cleanup(function() { _StepTest.min = ""; });
  _StepTest.value = "13:00";
  _StepTest.stepDown();
  assert_in_array(
    _StepTest.value,
    [
      "13:00",
      "13:00:00",
      "13:00:00.0",
      "13:00:00.00",
      "13:00:00.000"],
    "a valid time string representing 1pm");
} , "stepDown stop so lower than the minimum value");

test(function(){
  // Set min value to ensure that 15:01 - base is a multiple of 2 min (i.e., a
  // valid