test: fix concurrent map access in TestStatsFetcher
#14502
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The map of in-flight RPCs gets cleared by a goroutine in the test without first locking it to make sure that it's not being accessed concurrently by the stats fetcher itself. This can cause a panic in tests. Backport of #14496
lgfa29
approved these changes
Sep 8, 2022
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The map of in-flight RPCs gets cleared by a goroutine in the test without first locking it to make sure that it's not being accessed concurrently by the stats fetcher itself. This can cause a panic in tests.
Backport of #14496 to 1.2.x