It looks like chromium-try-flakes has now associated this bug with those failures, though why it wasn't reporting them previously should be investigated by the Infra team.

We've seen chromium-try-flakes miss flakes before. Unfortunately I don't have the bandwidth at the moment to investigate why. See  issue 645827  for more details.

Detected 39 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 17 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Chromium-try-flakes isn't reporting all of the flakes of this test, though it seems to be recording them here:
https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw

On macOS, telemetry.internal.browser.extension_unittest.WebviewInExtensionTest.testWebviewInExtension is very flaky. It failed 15 times in the past 24 hours, and just affected another of my CLs, holding it up for an hour:

https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335726
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335721
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335623
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335505
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335444
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335336
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335323
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335286
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335224
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335218
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335204
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_ng/builds/335005

The failure mode is:

  Traceback (most recent call last):
    File "/b/swarm_slave/w/iregBC16/third_party/catapult/telemetry/telemetry/internal/browser/extension_unittest.py", line 216, in testWebviewInExtension
      self.assertEquals(1, len(webview_contexts))
  AssertionError: 1 != 0

Full stdout from one of the runs is attached.

I'm going to submit a CL to Telemetry disabling this test on macOS, since it doesn't look like the test harness has a retry mechanism for flaky tests. Looking at src/third_party/catapult/telemetry/telemetry/internal/browser/extension_unittest.py , it's already disabled on Windows and Linux because of flakiness.

Deleted: stdout.txt 1.6 MB

stdout.txt 1.6 MB View Download

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b823ed52c962da5def94d544045513faa6c3c9ba

commit b823ed52c962da5def94d544045513faa6c3c9ba
Author: catapult-deps-roller <catapult-deps-roller@chromium.org>
Date: Wed Nov 16 08:05:55 2016

Roll src/third_party/catapult/ e30d2e8f4..5c3c95eda (1 commit).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/e30d2e8f4cbd..5c3c95edaa02

$ git log e30d2e8f4..5c3c95eda --date=short --no-merges --format='%ad %ae %s'
2016-11-15 kbr Disable WebviewInExtensionTest.testWebviewInExtension on macOS.

BUG= 661434 

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2508783002
Cr-Commit-Position: refs/heads/master@{#432419}

[modify] https://crrev.com/b823ed52c962da5def94d544045513faa6c3c9ba/DEPS

Detected 8 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 5 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 7 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 4 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 29 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 12 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 19 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 24 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 5 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 8 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 16 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 4 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Almost all the failure are due to test Timed-out. I suspect this is due to the deadlock bug of cloud storage implementation (issue 643320).

I will disable running telemetry_unittests in parallel. This can be reenabled once Emily finishes her idempotency work which enable fetching the binary files before test runtime.

Any idea what could be deadlocking now that we have a timeout on acquiring the lock?

#25: not sure. I will just run the test serially to see whether it's still hang.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e882052d97ffbcfddca3a5af0dc6d0f709d95e02

commit e882052d97ffbcfddca3a5af0dc6d0f709d95e02
Author: nednguyen <nednguyen@google.com>
Date: Tue Dec 13 12:36:41 2016

Run telemetry_unitests in serial

This is suspected to cause flaky failure of telemetry_unitests

BUG= 661434 

Review-Url: https://codereview.chromium.org/2564413002
Cr-Commit-Position: refs/heads/master@{#438143}

[modify] https://crrev.com/e882052d97ffbcfddca3a5af0dc6d0f709d95e02/testing/buildbot/gn_isolate_map.pyl

Detected 9 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 8 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

The telemetry_unittests keep timing out because of the timeout limit is too short. I will add 3 shards for it as the next step.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/45cada6244d0cc9c8798e6531d2c1ea0b90a5668

commit 45cada6244d0cc9c8798e6531d2c1ea0b90a5668
Author: nednguyen <nednguyen@google.com>
Date: Thu Dec 15 17:29:40 2016

Set number of shards for telemetry_unittests to be 2

This suite currently occasionally is timed out (its usual runtime is 20 minutes total), causing flaky failure

BUG= 661434 

Review-Url: https://codereview.chromium.org/2579793002
Cr-Commit-Position: refs/heads/master@{#438859}

[modify] https://crrev.com/45cada6244d0cc9c8798e6531d2c1ea0b90a5668/testing/buildbot/chromium.fyi.json
[modify] https://crrev.com/45cada6244d0cc9c8798e6531d2c1ea0b90a5668/testing/buildbot/chromium.linux.json
[modify] https://crrev.com/45cada6244d0cc9c8798e6531d2c1ea0b90a5668/testing/buildbot/chromium.mac.json
[modify] https://crrev.com/45cada6244d0cc9c8798e6531d2c1ea0b90a5668/testing/buildbot/chromium.win.json

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/cde936a4f8050aa7678afe36aae7c23f78473cc7

commit cde936a4f8050aa7678afe36aae7c23f78473cc7
Author: ksakamoto <ksakamoto@chromium.org>
Date: Fri Dec 16 07:27:22 2016

Revert of Set number of shards for telemetry_unittests to be 2 (patchset #1 id:1 of https://codereview.chromium.org/2579793002/ )

Reason for revert:
telemetry_unittests failing on chromium.linux/Linux Tests (dbg)(1) and linux_chromium_rel_ng.
 https://crbug.com/674788 

Original issue's description:
> Set number of shards for telemetry_unittests to be 2
>
> This suite currently occasionally is timed out (its usual runtime is 20 minutes total), causing flaky failure
>
> BUG= 661434 
>
> Committed: https://crrev.com/45cada6244d0cc9c8798e6531d2c1ea0b90a5668
> Cr-Commit-Position: refs/heads/master@{#438859}

TBR=dpranke@chromium.org,maruel@chromium.org,nednguyen@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG= 661434 

Review-Url: https://codereview.chromium.org/2583703003
Cr-Commit-Position: refs/heads/master@{#439060}

[modify] https://crrev.com/cde936a4f8050aa7678afe36aae7c23f78473cc7/testing/buildbot/chromium.fyi.json
[modify] https://crrev.com/cde936a4f8050aa7678afe36aae7c23f78473cc7/testing/buildbot/chromium.linux.json
[modify] https://crrev.com/cde936a4f8050aa7678afe36aae7c23f78473cc7/testing/buildbot/chromium.mac.json
[modify] https://crrev.com/cde936a4f8050aa7678afe36aae7c23f78473cc7/testing/buildbot/chromium.win.json

Detected 73 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Really really strange, the patch that add more shards make telemetry_unittests timed out a lot for more often ( issue 674788 )

Detected 15 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 8 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 9 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 5 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 9 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Split this into three bugs:

https://github.com/catapult-project/catapult/issues/3130 (browser_unittest.py:testIsTracingRunning)

https://github.com/catapult-project/catapult/issues/3131 (tracing_backend_unittest.py:testDumpMemorySuccess)

https://bugs.chromium.org/p/chromium/issues/detail?id=679429 (telemetry_unittests timing out on Linux CQ)

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/147c319b045d16301dbc6fb82c164fadfd75154b

commit 147c319b045d16301dbc6fb82c164fadfd75154b
Author: catapult-deps-roller <catapult-deps-roller@chromium.org>
Date: Mon Jan 09 22:41:04 2017

Roll src/third_party/catapult/ 01464d2b3..d7650682c (2 commits).

https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/01464d2b3b93..d7650682cad0

$ git log 01464d2b3..d7650682c --date=short --no-merges --format='%ad %ae %s'
2017-01-09 charliea Disable tests causing flakiness for telemetry_unittests on the Win CQ
2017-01-09 nednguyen [Telemetry] Simplify trace_data.TraceData by removing support for constructing it from raw data

BUG= 661434 

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls

CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel
TBR=catapult-sheriff@chromium.org

Review-Url: https://codereview.chromium.org/2628443002
Cr-Commit-Position: refs/heads/master@{#442380}

[modify] https://crrev.com/147c319b045d16301dbc6fb82c164fadfd75154b/DEPS

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 3 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

Detected 10 new flakes for test/step "telemetry_unittests (with patch)". To see the actual flakes, please visit https://chromium-try-flakes.appspot.com/all_flake_occurrences?key=ahVzfmNocm9taXVtLXRyeS1mbGFrZXNyKwsSBUZsYWtlIiB0ZWxlbWV0cnlfdW5pdHRlc3RzICh3aXRoIHBhdGNoKQw. This message was posted automatically by the chromium-try-flakes app.

This seems fixed. Now let rely on flakiness server to report individual flaky tests.