Use ProjectOperations instead of removed method of core Gerrit

ProjectOperations just creates an empty repository without any
"project.config" file. Adjust the helper code of the tests to be able
to deal with that case.

Change-Id: I014fdce091ae3f2adf0240954049888c51e868dd
1 file changed
tree: 8f11aa9b693012a2dd5cbf7afa6716e6f219a14d
  1. BUILD
  2. LICENSE
  3. OWNERS
  4. src/