Add test for commit message text-width check
Add test for commit message text-width check

Now that we have the testing infrastructure in place, add tests to give
more examples of testing hook checks.

Change-Id: I700f02484006c7fb621a6ace3fac8abfb19f3e14
Reviewed-on: https://gerrit.causes.com/23454
Tested-by: jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@causes.com>
Reviewed-by: Shane da Silva <6f6e68d1df92f30cb4b3ce35260ddf94a402f33d@causes.com>
Reviewed-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>

blech75/overcommit,oxocode/overcommit,oxocode/overcommit,TheSooth/overcommit,TheSooth/overcommit,gnagel/overcommit,blech75/overcommit,gnagel/overcommit