Bug 217394 modified step names as per new buildbot requirement. We should ensure that invalid step names are not allowed. Unit-tests should fail if any invalid step-name is added.
Created attachment 410750 [details] Patch
Committed r268128: <https://trac.webkit.org/changeset/268128> All reviewed patches have been landed. Closing bug and clearing flags on attachment 410750 [details].
<rdar://problem/70050089>