tree fc8b7577a926dd354b4e9d8bbf71a5f7ae217a54
parent 033e616ee22e0a03b1346d92a599ce96691625fc
author Michael Bolin <mbolin@fb.com> 1384915761 -0800
committer Michael Bolin <mbolin@fb.com> 1384916206 -0800

Make sure StepFailedException includes full description.

Summary:
I saw this while developing and decided the error message could
have been more helpful.

Test Plan: Sandcastle builds.