Datastore querying the datastore: "before all" hook for "should limit queries" failed

[flaky-bot[bot]]

Note: #1052 was also for this test, but it was closed more than 10 days ago. So, I didn't mark it flaky.

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commit: 9c7730a35699be049beeac0c4bb469239971d471 buildURL: Build Status, Sponge status: failed