This speeds up parallel unit test runs from a very consistent 2:49 to
a very consistent 1:53, or a 33% reduction.
Signed-off-by: Ryan Davis <zenspider@chef.io>
Without the terminating character ($), it just accepted any characters
at all after the initial matching set.
Also add some tests to assure we're raising appropriately.
Co-authored-by: Trevor Bramble <tbramble@chef.io>
Co-authored-by: Joshua Padgett <jpadgett@chef.io>
Signed-off-by: Trevor Bramble <tbramble@chef.io>