Spanner: "before all" hook for "should have created an instance" failed #1322
Description
This test failed!
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commit: ffb88bb
buildURL: Build Status, Sponge
status: failed
Test output
Cannot read property 'filter' of undefined
TypeError: Cannot read property 'filter' of undefined
at /workspace/samples/system-test/spanner.test.js:111:12
at processTicksAndRejections (internal/process/task_queues.js:97:5)
at async Promise.all (index 0)
at async deleteStaleInstances (system-test/spanner.test.js:97:3)
at async Context. (system-test/spanner.test.js:197:5)