Add testrepository to git ignores.

Now that we're updating our test runner we need
to add the git ignore rule for testrepository.

Change-Id: I0cf33598ef947750953624eccb5d34d78df462ed
Merge "Add testrepository to git ignores."
InvalidUUID can not be raised

There is incomplete format in exception's message.

Fixes: bug 1184870

Change-Id: I27f231c8c5cb41b1ec5fdb34fba6a8dff6a556c7
Merge "InvalidUUID can not be raised"