improve timeout message

[charlierudolph]

Currently when a step times out, it only says "function timed out after x milliseconds". Lets try and make this more informative. Maybe something like:

• with callback interface
  • function timed out, ensure the callback is executed within x milliseconds
• with promise interface
  • function timed out, ensure the promise resolves within x milliseconds

[stevecooperorg]

It would be really useful if this message could be updated by the user. I'm doing a lot of Selenium testing, and Selenium uses a 'wait until' model - 'wait for the dialog to appear' or 'wait until the server has responded'. If I could call something setTimeoutMessage('waiting for ' + dialogTitle + ' dialog to appear') and see The function timed out after 30,012 milliseconds: waiting for save dialog to appear that would really help us find out what exactly is going wrong in a test.

[charlierudolph]

@stevecooperorg for that instance, I would update your code so selenium throws a timeout error before the step times out. Then you can control the error message there. Ideally, I don't think anyone should hit the step timeout error message regularly

We can add something about that to the new error message.

[charlierudolph]

resolved in #1028

[lock]

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