Tests

Merge pull request #19337 from marcelfranca/issue/19333-release-3.4 #15661

Job	Run time
test (linux-amd64-fmt)	1m 3s
test (linux-amd64-integration-1-cpu)	4m 51s
test (linux-amd64-integration-2-cpu)	9m 52s
test (linux-amd64-integration-4-cpu)	9m 40s
test (linux-amd64-functional)	8m 2s
test (linux-amd64-unit-4-cpu-race)	52s
test (all-build)	3m 30s
test (linux-amd64-grpcproxy)	15m 31s
test (linux-amd64-e2e)	14m 14s
test (linux-386-unit)	44s
	1h 8m 19s

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