Flaky TestMultipleClientsWithSameLabelWithClusterLabelVerification

[dimitarvdimitrov]

The test failed the first run, but succeeded the second. Revision is 126e8a8

--- FAIL: TestMultipleClientsWithSameLabelWithClusterLabelVerification (24.37s)
    memberlist_client_test.go:672: Waiting before start
    memberlist_client_test.go:680: Observing ring ...
    memberlist_client_test.go:694: Update 68.522298ms : Ring has 2 members, and 256 tokens, oldest timestamp: 825.359625ms avg timestamp: 825.359625ms youngest timestamp: 825.359625ms
    memberlist_client_test.go:694: Update 153.817701ms : Ring has 3 members, and 384 tokens, oldest timestamp: 910.655027ms avg timestamp: 910.655027ms youngest timestamp: 910.655027ms
    memberlist_client_test.go:694: Update 459.555858ms : Ring has 4 members, and 512 tokens, oldest timestamp: 1.216393192s avg timestamp: 1.216393192s youngest timestamp: 1.216393192s
    memberlist_client_test.go:694: Update 460.579224ms : Ring has 5 members, and 640 tokens, oldest timestamp: 1.217416552s avg timestamp: 1.217416552s youngest timestamp: 1.217416552s
    memberlist_client_test.go:694: Update 461.713676ms : Ring has 6 members, and 768 tokens, oldest timestamp: 1.218551007s avg timestamp: 1.218551007s youngest timestamp: 1.218551007s
    memberlist_client_test.go:694: Update 463.242127ms : Ring has 7 members, and 896 tokens, oldest timestamp: 1.220079455s avg timestamp: 1.220079455s youngest timestamp: 1.220079455s
    memberlist_client_test.go:694: Update 503.895559ms : Ring has 10 members, and 1280 tokens, oldest timestamp: 2.260732883s avg timestamp: 2.260732883s youngest timestamp: 1.260732883s
    memberlist_client_test.go:694: Update 558.913038ms : Ring has 10 members, and 1280 tokens, oldest timestamp: 2.315750343s avg timestamp: 2.315750343s youngest timestamp: 1.315750343s
    memberlist_client_test.go:694: Update 1.002496549s : Ring has 10 members, and 1280 tokens, oldest timestamp: 2.759333874s avg timestamp: 1.759333874s youngest timestamp: 759.333874ms
    memberlist_client_test.go:694: Update 1.084007026s : Ring has 10 members, and 1280 tokens, oldest timestamp: 2.840844352s avg timestamp: 1.840844352s youngest timestamp: 840.844352ms
    memberlist_client_test.go:694: Update 1.13045055s : Ring has 10 members, and 1280 tokens, oldest timestamp: 2.887287876s avg timestamp: 1.887287876s youngest timestamp: 887.287876ms
    memberlist_client_test.go:694: Update 1.136422462s : Ring has 10 members, and 1280 tokens, oldest timestamp: 2.89325979s avg timestamp: 1.89325979s youngest timestamp: 893.25979ms
    memberlist_client_test.go:694: Update 1.258210064s : Ring has 10 members, and 1280 tokens, oldest timestamp: 3.015047392s avg timestamp: 2.015047392s youngest timestamp: 1.015047392s
    memberlist_client_test.go:694: Update 1.278908586s : Ring has 10 members, and 1280 tokens, oldest timestamp: 3.035745902s avg timestamp: 2.035745902s youngest timestamp: 1.035745902s
    memberlist_client_test.go:702: Ring updates observed: 14
    memberlist_client_test.go:723: KV 0: number of known members: 10
    memberlist_client_test.go:620: 
        	Error Trace:	memberlist_client_test.go:620
        	Error:      	Received unexpected error:
        	            	Member 0: invalid state of member Member-9 in the ring: 2 
        	Test:       	TestMultipleClientsWithSameLabelWithClusterLabelVerification

[julienduchesne]

Not flaky anymore. Haven't managed to trigger failures for those in ~100 runs. See: #600. We can reopen if they show up again