1578342 - Intermittent devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Got the expected number of messages - Got 8, expected 7

Status: NEW

(DevTools :: Console, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: rmaries [at] mozilla.com
Parsed log: https://treeherder.mozilla.org/logviewer.html#?job_id=264690968&repo=mozilla-central
Full log: https://queue.taskcluster.net/v1/task/Y65wr2ZUQvSoXAzBehcDIA/runs/0/artifacts/public/logs/live_backing.log

---

[task 2019-09-03T06:58:56.299Z] 06:58:56 INFO - TEST-START | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js
[task 2019-09-03T06:58:58.037Z] 06:58:58 INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Message includes the expected "simple message 2" content - "simple message 2 content-task.js line 62 > eval:4:21" -
[task 2019-09-03T06:58:58.038Z] 06:58:58 INFO - Add another storage blocked message to check it does go into the opened group
[task 2019-09-03T06:58:58.038Z] 06:58:58 INFO - Console message: [JavaScript Warning: "Request to access cookie or storage on “http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5-1567493936317” was blocked because we are blocking all third-party storage access requests and content blocking is enabled." {file: "http://example.org/browser/devtools/client/webconsole/test/browser/test-warning-groups.html" line: 0}]
[task 2019-09-03T06:58:58.040Z] 06:58:58 INFO - Console message: [JavaScript Warning: "Request to access cookie or storage on “http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5-1567493936317” was blocked because we are blocking all third-party storage access requests and content blocking is enabled." {file: "http://example.org/browser/devtools/client/webconsole/test/browser/test-warning-groups.html" line: 0}]
[task 2019-09-03T06:58:58.042Z] 06:58:58 INFO - Matched a message with text: "http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png", all messages received.
[task 2019-09-03T06:58:58.043Z] 06:58:58 INFO - Buffered messages finished
[task 2019-09-03T06:58:58.043Z] 06:58:58 INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Got the expected number of messages - Got 8, expected 7
[task 2019-09-03T06:58:58.044Z] 06:58:58 INFO - Stack trace:
[task 2019-09-03T06:58:58.045Z] 06:58:58 INFO - chrome://mochikit/content/browser-test.js:test_is:1595
[task 2019-09-03T06:58:58.046Z] 06:58:58 INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup:1373
[task 2019-09-03T06:58:58.046Z] 06:58:58 INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js:testContentBlockingMessage:167
[task 2019-09-03T06:58:58.047Z] 06:58:58 INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1350
[task 2019-09-03T06:58:58.048Z] 06:58:58 INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1385
[task 2019-09-03T06:58:58.049Z] 06:58:58 INFO - chrome://mochikit/content/browser-test.js:nextTest/<:1213
[task 2019-09-03T06:58:58.049Z] 06:58:58 INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:805
[task 2019-09-03T06:58:58.050Z] 06:58:58 INFO - Checking "▶︎⚠ The resource at “<URL>” was blocked because content blocking is enabled."
[task 2019-09-03T06:58:58.051Z] 06:58:58 INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | There's a collapsed arrow -
[task 2019-09-03T06:58:58.052Z] 06:58:58 INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | The warningGroup has the expected indent -
[task 2019-09-03T06:58:58.052Z] 06:58:58 INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | The message has the expected indent -
[task 2019-09-03T06:58:58.053Z] 06:58:58 INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Message includes the expected "The resource at “<URL>” was blocked because content blocking is enabled." content - "The resource at “<URL>” was blocked because content blocking is enabled. 2" -
[task 2019-09-03T06:58:58.054Z] 06:58:58 INFO - Checking "simple message 1"

Comment 1

[Intermittent Failures Robot]

18 failures in 4408 pushes (0.004 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 15
• try: 3

Platform breakdown:

• linux64: 18

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-09-02&endday=2019-09-08&tree=all

Comment 2

[Intermittent Failures Robot]

7 failures in 4637 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 7

Platform breakdown:

• linux64: 7

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-09-09&endday=2019-09-15&tree=all

Comment 3

[Intermittent Failures Robot]

8 failures in 4350 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 7
• try: 1

Platform breakdown:

• linux64: 8

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-09-16&endday=2019-09-22&tree=all

Comment 4

[Intermittent Failures Robot]

2 failures in 4530 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• try: 1

Platform breakdown:

• linux64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-09-23&endday=2019-09-29&tree=all

Comment 5

[Intermittent Failures Robot]

3 failures in 4292 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 3

Platform breakdown:

• linux64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-09-30&endday=2019-10-06&tree=all

Comment 6

[Intermittent Failures Robot]

11 failures in 3801 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 9
• try: 2

Platform breakdown:

• linux64: 11

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-10-07&endday=2019-10-13&tree=all

Comment 7

[Intermittent Failures Robot]

4 failures in 3964 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 3
• try: 1

Platform breakdown:

• linux64: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-10-14&endday=2019-10-20&tree=all

Comment 8

[Intermittent Failures Robot]

10 failures in 4182 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 10

Platform breakdown:

• linux64: 10

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-10-21&endday=2019-10-27&tree=all

Comment 9

[Intermittent Failures Robot]

2 failures in 4314 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1
• try: 1

Platform breakdown:

• linux64: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-10-28&endday=2019-11-03&tree=all

Comment 10

[Intermittent Failures Robot]

7 failures in 4850 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 7

Platform breakdown:

• linux64: 7

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-11-04&endday=2019-11-10&tree=all

Comment 11

[Intermittent Failures Robot]

14 failures in 4207 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 12
• try: 2

Platform breakdown:

• linux64: 14

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-11-11&endday=2019-11-17&tree=all

Comment 12

[Intermittent Failures Robot]

6 failures in 5444 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 6

Platform breakdown:

• linux64: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-11-18&endday=2019-11-24&tree=all

Comment 13

[Intermittent Failures Robot]

4 failures in 4331 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 2
• mozilla-central: 2

Platform breakdown:

• linux64: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-11-25&endday=2019-12-01&tree=all

Comment 14

[Edwin Takahashi (:egao | infrequent contributor)]

I'm seeing this failure consistently on the ubuntu1804 test image with fission enabled. The timeline for migration to ubuntu1804 is for end of December 2019.

Try push: https://treeherder.mozilla.org/#/jobs?repo=try&group_state=expanded&revision=614122027e862bb723e83f495eaf6fd5bb267f55&selectedJob=279233927
Log: https://firefoxci.taskcluster-artifacts.net/JV2u6N5DRIymi2M0SnH2qQ/1/public/logs/live_backing.log

Context:

[task 2019-12-03T03:28:27.426Z] 03:28:27     INFO - Add another storage blocked message to check it does go into the opened group
[task 2019-12-03T03:28:27.426Z] 03:28:27     INFO - Console message: [JavaScript Warning: "Request to access cookie or storage on “http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5-1575343704646” was blocked because we are blocking all third-party storage access requests and content blocking is enabled." {file: "http://example.org/browser/devtools/client/webconsole/test/browser/test-warning-groups.html" line: 0}]
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - Console message: [JavaScript Warning: "Request to access cookie or storage on “http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5-1575343704646” was blocked because we are blocking all third-party storage access requests and content blocking is enabled." {file: "http://example.org/browser/devtools/client/webconsole/test/browser/test-warning-groups.html" line: 0}]
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - Matched a message with text: "http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png", all messages received.
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - Buffered messages finished
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Got the expected number of messages - Got 8, expected 7
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - Stack trace:
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:test_is:1314
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup:1386
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js:testContentBlockingMessage:167
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1069
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1104
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:932
[task 2019-12-03T03:28:27.446Z] 03:28:27     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:805
[task 2019-12-03T03:28:27.447Z] 03:28:27     INFO - Checking "▶︎⚠ The resource at “<URL>” was blocked because content blocking is enabled."

[task 2019-12-03T03:28:27.459Z] 03:28:27     INFO - TEST-PASS | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Message includes the expected "http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5" content - "Request to access cookie or storage on “http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5-1575343704646” was blocked because we are blocking all third-party storage access requests and content blocking is enabled.[Learn More] test-warning-groups.html" - 
[task 2019-12-03T03:28:27.461Z] 03:28:27     INFO - Checking "simple message 2"
[task 2019-12-03T03:28:27.461Z] 03:28:27     INFO - Not taking screenshot here: see the one that was previously logged
[task 2019-12-03T03:28:27.462Z] 03:28:27     INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | The message has the expected indent - Got 1, expected 0
[task 2019-12-03T03:28:27.462Z] 03:28:27     INFO - Stack trace:
[task 2019-12-03T03:28:27.462Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:test_is:1314
[task 2019-12-03T03:28:27.462Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup/<:1476
[task 2019-12-03T03:28:27.462Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup:1408
[task 2019-12-03T03:28:27.463Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js:testContentBlockingMessage:167
[task 2019-12-03T03:28:27.463Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1069
[task 2019-12-03T03:28:27.463Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1104
[task 2019-12-03T03:28:27.463Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:932
[task 2019-12-03T03:28:27.463Z] 03:28:27     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:805
[task 2019-12-03T03:28:27.463Z] 03:28:27     INFO - Not taking screenshot here: see the one that was previously logged
[task 2019-12-03T03:28:27.467Z] 03:28:27     INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Message includes the expected "simple message 2" content - "Request to access cookie or storage on “http://example.com/browser/devtools/client/webconsole/test/browser/test-image.png?5-1575343704646” was blocked because we are blocking all third-party storage access requests and content blocking is enabled.[Learn More] test-warning-groups.html" - 
[task 2019-12-03T03:28:27.467Z] 03:28:27     INFO - Stack trace:
[task 2019-12-03T03:28:27.467Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:test_ok:1299
[task 2019-12-03T03:28:27.467Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup/<:1483
[task 2019-12-03T03:28:27.467Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup:1408
[task 2019-12-03T03:28:27.468Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js:testContentBlockingMessage:167
[task 2019-12-03T03:28:27.468Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1069
[task 2019-12-03T03:28:27.468Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1104
[task 2019-12-03T03:28:27.468Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:932
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:805
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - Add a content blocked message to check the first group badge is updated
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - Console message: [JavaScript Warning: "The resource at “http://tracking.example.com/browser/devtools/client/webconsole/test/browser/test-image.png?6-1575343704646” was blocked because content blocking is enabled." {file: "http://example.org/browser/devtools/client/webconsole/test/browser/test-warning-groups.html" line: 0}]
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - Expand the first warning group
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - Not taking screenshot here: see the one that was previously logged
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - TEST-UNEXPECTED-FAIL | devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js | Got the expected number of messages - Got 11, expected 10
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - Stack trace:
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:test_is:1314
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/head.js:checkConsoleOutputForWarningGroup:1386
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochitests/content/browser/devtools/client/webconsole/test/browser/browser_webconsole_warning_group_multiples.js:testContentBlockingMessage:187
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest/<:1069
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:Tester_execTest:1104
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochikit/content/browser-test.js:nextTest/<:932
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - chrome://mochikit/content/tests/SimpleTest/SimpleTest.js:SimpleTest.waitForFocus/waitForFocusInner/focusedOrLoaded/<:805
[task 2019-12-03T03:28:27.469Z] 03:28:27     INFO - Checking "▼︎⚠ The resource at “<URL>” was blocked because content blocking is enabled."

There are 17 reported failures of this test at various subtests.

Would it be preferable to have individual bugs for these specific failures of the subtests?

Comment 15

[Intermittent Failures Robot]

13 failures in 5144 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 6
• mozilla-central: 7

Platform breakdown:

• linux64: 13

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-12-02&endday=2019-12-08&tree=all

Comment 16

[Intermittent Failures Robot]

8 failures in 4867 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 8

Platform breakdown:

• linux64: 8

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-12-09&endday=2019-12-15&tree=all

Comment 17

[Intermittent Failures Robot]

10 failures in 4582 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 3
• try: 7

Platform breakdown:

• linux64: 10

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-12-16&endday=2019-12-22&tree=all

Comment 18

[Intermittent Failures Robot]

7 failures in 1365 pushes (0.005 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 1
• mozilla-central: 6

Platform breakdown:

• linux64: 7

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-12-23&endday=2019-12-29&tree=all

Comment 19

[Intermittent Failures Robot]

1 failures in 1862 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 1

Platform breakdown:

• linux64: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2019-12-30&endday=2020-01-05&tree=all

Comment 20

[Intermittent Failures Robot]

7 failures in 4472 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 5
• try: 1
• autoland: 1

Platform breakdown:

• linux64: 7

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2020-01-06&endday=2020-01-12&tree=all

Comment 21

[Intermittent Failures Robot]

27 failures in 3773 pushes (0.007 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 20
• mozilla-central: 7

Platform breakdown:

• linux64: 15
• linux1804-64: 8
• linux1804-64-qr: 1
• linux64-qr: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2020-01-13&endday=2020-01-19&tree=all

Comment 22

[Intermittent Failures Robot]

12 failures in 4004 pushes (0.003 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 9
• try: 3

Platform breakdown:

• linux1804-64: 12

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2020-01-20&endday=2020-01-26&tree=all

Comment 23

[Intermittent Failures Robot]

3 failures in 2190 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try: 2
• mozilla-central: 1

Platform breakdown:

• linux1804-64: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures.html#/bugdetails?bug=1578342&startday=2020-01-27&endday=2020-02-02&tree=all