Wrong error message when a reporter blows up trying to load another module

[nfriedly]

I was trying to use the xunit-file reporter in conjunction with gulp-mocha, and that reporter blows up with the error "Error: Cannot find module 'mocha'"

However, because mocha just checks for the string 'Cannot find module' it incorrectly logs that the reporter wasn't found and makes things take a bit longer to debug.

[nfriedly]

You might consider running require.resolve() first - it will either return a string or throw, but if it throws the "Cannot find module...", then you know it's due to the exact thing you're trying to require not existing.

Although, I think the better solution is probably to not have any custom logic here at all. Treat all errors equally, including 'cannot find module'.

[stale]

I am a bot that watches issues for inactivity.
This issue hasn't had any recent activity, and I'm labeling it stale. In 14 days, if there are no further comments or activity, I will close this issue.
Thanks for contributing to Mocha!