This will help us catch any regressions in our workaround for handling
x/ routes in Gerrit. We update the test project in Gerrit to be
x/test-project then add a testinfra test to clone it.
If we can clone x/test-project then our workaround continues to
function.
Change-Id: I50e4cb1a5d3c9f7c4405500f09bf6c3be3e7df9c