Firestore: 'test_watch_document' systest flakes

[tseaver]

_____________________________ test_watch_document ______________________________

client = <google.cloud.firestore_v1beta1.client.Client object at 0x7f0d928d09b0>
cleanup = <built-in method append of list object at 0x7f0d90008bc8>

 def test_watch_document(client, cleanup):
 db = client
 doc_ref = db.collection(u'users').document(
 u'alovelace' + unique_resource_id())
 
 # Initial setting
 doc_ref.set({
 u'first': u'Jane',
 u'last': u'Doe',
 u'born': 1900
 })
 
 sleep(1)
 
 # Setup listener
 def on_snapshot(docs, changes, read_time):
 on_snapshot.called_count += 1
 
 on_snapshot.called_count = 0
 
 doc_ref.on_snapshot(on_snapshot)
 
 # Alter document
 doc_ref.set({
 u'first': u'Ada',
 u'last': u'Lovelace',
 u'born': 1815
 })
 
 sleep(1)
 
 for _ in range(10):
 if on_snapshot.called_count == 1:
 return
 sleep(1)
 
 if on_snapshot.called_count != 1:
 raise AssertionError(
 "Failed to get exactly one document change: count: " +
> str(on_snapshot.called_count))
E AssertionError: Failed to get exactly one document change: count: 2

tests/system.py:836: AssertionError

[tseaver]

There are also other failures in this test due to quota exhaustion.

[tseaver]

New Firestore project now being used for Kokoro CI seems to have fixed this. Reopen if it reappears.

[tseaver]

Recurrence today.