Tests

Merge pull request #18855 from ghouscht/backport-defrag-close-temp-3.4 #15560

Job	Run time
test (linux-amd64-fmt)	58s
test (linux-amd64-integration-1-cpu)	9m 54s
test (linux-amd64-integration-2-cpu)	9m 38s
test (linux-amd64-integration-4-cpu)	10m 1s
test (linux-amd64-functional)	7m 56s
test (linux-amd64-unit-4-cpu-race)	52s
test (all-build)	3m 33s
test (linux-amd64-grpcproxy)	15m 25s
test (linux-amd64-e2e)	14m 5s
test (linux-386-unit)	43s
	1h 13m 5s

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