[measure_syntax_err.any.html]
  [self.performance.measure("measure", "mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL

  [self.performance.measure("measure", "mark", "existing_mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL

  [self.performance.measure("measure", "existing_mark", "mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL

  [self.performance.measure("measure", "mark", "mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL


[measure_syntax_err.any.worker.html]
  [self.performance.measure("measure", "mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL

  [self.performance.measure("measure", "mark", "existing_mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL

  [self.performance.measure("measure", "existing_mark", "mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL

  [self.performance.measure("measure", "mark", "mark"), where "mark" is a non-existent mark, throws a SyntaxError exception.]
    expected: FAIL