TestExportSnapshot fails fairly regularly locally. Looking, its test timeout. Looking at how long it ran, its 13minutes plus. Looking at recent successful branch-2 run, it passed but it took about 7-8minutes. Let me break up the test into to pieces.
org.junit.runners.model.TestTimedOutException: test timed out after 780 seconds
... I see this in the log:
====> TEST TIMED OUT. PRINTING THREAD DUMP. <====
Test started at:
2020-04-06 17:19:21,739 INFO
... and the timestamp just above the TIMED OUT was