kv/etcd: Fix race condition within unit test for Watch method #6479
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Copied from grafana/dskit#336 Fixes a race condition during setup for Client.Watch tests where a conditional variable broadcast was missed by the caller waiting on the conditional variable. Verified by running the tests many times with a timeout: ``` go test -timeout=10s -count=10000 -run=TestMockKV_Watch ./pkg/ring/kv/etcd/ ``` Fixes: - cortexproject#6478 - cortexproject#5564 Signed-off-by: Charlie Le <[email protected]>
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Copied from grafana/dskit#336
Fixes a race condition during setup for Client.Watch tests where a conditional variable broadcast was missed by the caller waiting on the conditional variable.
Verified by running the tests many times with a timeout:
Fixes: