firestore.it.ITQueryWatchTest: nonEmptyResults_modifiedDocument_REMOVED failed

[flaky-bot]

Note: #938 was also for this test, but it was closed more than 10 days ago. So, I didn't mark it flaky.

---

commit: 3f03f21
buildURL: Build Status, Sponge
status: failed

Test output

events[
event{error=null,value={documents[{path=java-nonEmptyResults_modifiedDocument_REMOVED-1KcXd4wI32W5nMzh4vbV/doc,data={foo=bar}}],documentChanges[{path=java-nonEmptyResults_modifiedDocument_REMOVED-1KcXd4wI32W5nMzh4vbV/doc,data={foo=bar}}]}},
]
value of               : size()
expected to be in range: [2..2]
but was                : 1
	at com.google.cloud.firestore.it.ITQueryWatchTest$QuerySnapshotEventListener$ListenerAssertions.eventCountIsAnyOf(ITQueryWatchTest.java:640)
	at com.google.cloud.firestore.it.ITQueryWatchTest.nonEmptyResults_modifiedDocument_REMOVED(ITQueryWatchTest.java:350)

[flaky-bot]

Looks like this issue is flaky. 😟

I'm going to leave this open and stop commenting.

A human should fix and close this.

---

When run at the same commit (3f03f21), this test passed in one build (Build Status, Sponge) and failed in another build (Build Status, Sponge).