Flaky: Csharp SDK Test (#1651)
Flaky: Csharp SDK Test (#1651)

Theory is that the Csharp SDK build is in a race condition with the test
system. So we'll try making tests dependent on build-sdks to see if that
solves the issue.

Closes #1639
googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones,googleforgames/agones