compute/apiv1: TestCreateGetPutPatchListInstance failed

Note: #10477 was also for this test, but it was closed more than 10 days ago. So, I didn't mark it flaky. ---- commit: 743257eee41a20b038436080320f3b356e9eed2a buildURL: [Build Status](https://source.cloud.google.com/results/invocations/e65a6c41-de92-4608-811f-727cdf4c07b5), [Sponge](http://sponge2/e65a6c41-de92-4608-811f-727cdf4c07b5) status: failed