samples.samples.backup_sample_test: test_list_backups failed

[flaky-bot]

Note: #322 was also for this test, but it was closed more than 10 days ago. So, I didn't mark it flaky.

---

commit: 1b04bbf
buildURL: Build Status, Sponge
status: failed

Test output

capsys = <_pytest.capture.CaptureFixture object at 0x7fb9f6c02c88>
spanner_instance = 
def test_list_backups(capsys, spanner_instance):
    backup_sample.list_backups(INSTANCE_ID, DATABASE_ID, BACKUP_ID)
    out, _ = capsys.readouterr()
    id_count = out.count(BACKUP_ID)


  assert id_count == 7


E       assert 6 == 7
backup_sample_test.py:135: AssertionError