If you recently contributed new integration tests, please watch out for flakes

#1

See https://testgrid.k8s.io/istio-postsubmits#integration-k8s-tests

At the time I’m writing this, the following tests are flaking:

istio.io/istio/tests/integration/mixer/telemetry.TestIngessToPrometheus_ServiceMetric
istio.io/istio/tests/integration/mixer/policy.TestRateLimiting_DefaultLessThanOverride
istio.io/istio/tests/integration/mixer/policy.TestRateLimiting_RedisQuotaFixedWindow
istio.io/istio/tests/integration/mixer/policy.TestRateLimiting_RedisQuotaRollingWindow
istio.io/istio/tests/integration/mixer/telemetry.TestIngessToPrometheus_IngressMetric
istio.io/istio/tests/integration/mixer/telemetry.TestTcpMetric
istio.io/istio/tests/integration/mixer.TestCheck_Deny
istio.io/istio/tests/integration/echo.TestEchoNoSidecar
istio.io/istio/tests/integration/mixer.TestMixer_Report_Direct
istio.io/istio/tests/integration/mixer.TestCheck_Allow

#2

All of the mixer ones are fixed by https://github.com/istio/istio/commit/81ab4c79e72b938e0b83aa2e5eb62dfcfb2f4ff8, I think nmittler is working on the EchoNoSidecar