1836935 - Intermittent comm/mail/base/test/browser/browser_threadTreeQuirks.js | threw exception: TypeError: can't access property "textContent", composeEditor.contentDocument.body is null

Status: RESOLVED FIXED

(Thunderbird :: Folder and Message Lists, defect, P5)

Description

[Treeherder Bug Filer]

Filed by: geoff [at] darktrojan.net
Parsed log: https://treeherder.mozilla.org/logviewer?job_id=418250274&repo=comm-central
Full log: https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/f58oFfu4QQ-bF1coMukYYw/runs/0/artifacts/public/logs/live_backing.log

---

Comment 1

[Intermittent Failures Robot]

1 failures in 3885 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• macosx1015-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-06-05&endday=2023-06-11&tree=all

Comment 2

[Intermittent Failures Robot]

1 failures in 4079 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-06-12&endday=2023-06-18&tree=all

Comment 3

[Intermittent Failures Robot]

1 failures in 3594 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• macosx1015-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-06-26&endday=2023-07-02&tree=all

Comment 4

[Intermittent Failures Robot]

2 failures in 3337 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1
• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-09-11&endday=2023-09-17&tree=all

Comment 5

[Intermittent Failures Robot]

1 failures in 3850 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-09-18&endday=2023-09-24&tree=all

Comment 6

[Intermittent Failures Robot]

3 failures in 3726 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-qr: 2
  • opt: 2
• windows11-64-2009-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-09-25&endday=2023-10-01&tree=all

Comment 7

[Intermittent Failures Robot]

1 failures in 3764 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• macosx1015-64-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-10-09&endday=2023-10-15&tree=all

Comment 8

[Intermittent Failures Robot]

1 failures in 3484 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows11-32-2009-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-10-16&endday=2023-10-22&tree=all

Comment 9

[Intermittent Failures Robot]

1 failures in 3356 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-10-30&endday=2023-11-05&tree=all

Comment 10

[Intermittent Failures Robot]

1 failures in 4224 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2023-12-11&endday=2023-12-17&tree=all

Comment 11

[Intermittent Failures Robot]

1 failures in 2274 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-01-01&endday=2024-01-07&tree=all

Comment 12

[Intermittent Failures Robot]

1 failures in 3599 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-01-15&endday=2024-01-21&tree=all

Comment 13

[Intermittent Failures Robot]

1 failures in 3952 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-01-29&endday=2024-02-04&tree=all

Comment 14

[Intermittent Failures Robot]

3 failures in 4009 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• windows11-64-2009-qr: 1
  • debug: 1
• linux1804-64-qr: 1
  • debug: 1
• linux1804-64-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-02-05&endday=2024-02-11&tree=all

Comment 15

[Intermittent Failures Robot]

5 failures in 3125 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 5

Platform and build breakdown:

• macosx1015-64-qr: 1
  • debug: 1
• windows11-32-2009-qr: 2
  • debug: 2
• windows11-64-2009-qr: 2
  • debug: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-02-12&endday=2024-02-18&tree=all

Comment 16

[Intermittent Failures Robot]

2 failures in 3382 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Platform and build breakdown:

• linux1804-64-shippable-qr: 1
  • opt: 1
• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-02-19&endday=2024-02-25&tree=all

Comment 17

[Intermittent Failures Robot]

3 failures in 3849 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• try-comm-central: 1
• comm-central: 2

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1
• windows11-32-2009-qr: 1
  • debug: 1
• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-03-11&endday=2024-03-17&tree=all

Comment 18

[Intermittent Failures Robot]

2 failures in 3805 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Platform and build breakdown:

• windows11-64-2009-qr: 1
  • debug: 1
• linux1804-64-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-04-01&endday=2024-04-07&tree=all

Comment 19

[Intermittent Failures Robot]

3 failures in 3235 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-shippable-qr: 1
  • opt: 1
• linux1804-64-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-04-08&endday=2024-04-14&tree=all

Comment 20

[Intermittent Failures Robot]

1 failures in 4252 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-04-15&endday=2024-04-21&tree=all

Comment 21

[Intermittent Failures Robot]

1 failures in 4336 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows11-64-2009-shippable-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-04-22&endday=2024-04-28&tree=all

Comment 22

[Intermittent Failures Robot]

1 failures in 4547 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-ccov-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-05-13&endday=2024-05-19&tree=all

Comment 23

[Intermittent Failures Robot]

2 failures in 3995 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Platform and build breakdown:

• linux1804-64-ccov-qr: 1
  • opt: 1
• windows11-32-2009-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-05-20&endday=2024-05-26&tree=all

Comment 24

[Intermittent Failures Robot]

1 failures in 4202 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-05-27&endday=2024-06-02&tree=all

Comment 25

[Intermittent Failures Robot]

3 failures in 4577 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-qr: 3
  • opt: 3

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-06-17&endday=2024-06-23&tree=all

Comment 26

[Intermittent Failures Robot]

3 failures in 4116 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1
• linux1804-64-shippable-qr: 2
  • opt: 2

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-06-24&endday=2024-06-30&tree=all

Comment 27

[Intermittent Failures Robot]

1 failures in 3799 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-ccov-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-07-15&endday=2024-07-21&tree=all

Comment 28

[Intermittent Failures Robot]

1 failures in 3218 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-08-19&endday=2024-08-25&tree=all

Comment 29

[Intermittent Failures Robot]

1 failures in 3879 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows11-32-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-08-26&endday=2024-09-01&tree=all

Comment 30

[Intermittent Failures Robot]

1 failures in 4579 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• windows11-64-2009-qr: 1
  • debug: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-10-14&endday=2024-10-20&tree=all

Comment 31

[Intermittent Failures Robot]

1 failures in 4722 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-12-02&endday=2024-12-08&tree=all

Comment 32

[Intermittent Failures Robot]

Summary

3 failures in 4615 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-qr: 3
  • opt: 3

Table

	1proc	1proc-s	a11y-checks	a11y-checks-s	a11y-checks-swr	a11y-checks-swr-s	condprof	condprof-s	fis	fis-hv	fis-hv-s	fis-s	headless	headless-s	http2	http3	mda-gpu	msix	msix-s	no_variant	nofis	nofis-aab	nofis-s	nofis-ship	nofis-ship-s	nofis-spi	nofis-swr	nofis-swr-s	nogpu	nogpu-s	s	spi	spi-nw	spi-nw-1proc	spi-nw-nofis	spi-nw-nofis-s	spi-nw-s	spi-s	swr	swr-s	wr-dc1-p	xorig	xorig-s
linux1804-64-qr/opt																				3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-12-09&endday=2024-12-15&tree=all

Comment 33

[Intermittent Failures Robot]

Summary

3 failures in 3774 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-qr: 2
  • opt: 2
• linux1804-64-shippable-qr: 1
  • opt: 1

Table

	1proc	1proc-s	1proc-swr	a11y-checks	a11y-checks-s	a11y-checks-swr	a11y-checks-swr-s	condprof-s	fis	fis-hv	fis-hv-s	fis-s	headless	headless-s	http2	http3	mda-gpu	mda-gpu-s	msix	msix-s	no_variant	nofis	nofis-aab	nofis-s	nofis-ship	nofis-ship-s	nofis-spi	nofis-swr	nofis-swr-s	nogpu	nogpu-s	s	spi	spi-nw	spi-nw-1proc	spi-nw-nofis	spi-nw-nofis-s	spi-nw-s	spi-s	swr	swr-s	vt	vt-s	wmfme	wr-dc2-o	xorig	xorig-s
linux1804-64-qr/opt																					2
linux1804-64-shippable-qr/opt																																1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2024-12-16&endday=2024-12-22&tree=all

Comment 34

[Intermittent Failures Robot]

Summary

1 failures in 3682 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-qr: 1
  • opt: 1

Table

	no_variant
linux1804-64-qr/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-01-06&endday=2025-01-12&tree=all

Comment 35

[Intermittent Failures Robot]

Summary

6 failures in 4035 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 6

Platform and build breakdown:

• linux1804-64-ccov-qr: 1
  • opt: 1
• linux1804-64-qr: 3
  • opt: 3
• windows11-64-2009-qr: 2
  • opt: 2

Table

	no_variant
linux1804-64-ccov-qr--/opt	1
linux1804-64-qr--/opt	3
windows11-64-2009-qr--/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-01-20&endday=2025-01-26&tree=all

Comment 36

[Intermittent Failures Robot]

Summary

5 failures in 4566 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 5

Platform and build breakdown:

• linux1804-64-qr: 3
  • opt: 3
• windows11-32-2009-qr: 1
  • opt: 1
• windows11-64-2009-qr: 1
  • opt: 1

Table

	no_variant
linux1804-64-qr--/opt	3
windows11-32-2009-qr--/opt	1
windows11-64-2009-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-01-27&endday=2025-02-02&tree=all

Comment 37

[Intermittent Failures Robot]

Summary

3 failures in 4309 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Platform and build breakdown:

• linux1804-64-ccov-qr: 1
  • opt: 1
• linux1804-64-qr: 2
  • opt: 2

Table

	no_variant
linux1804-64-ccov-qr--/opt	1
linux1804-64-qr--/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-02-03&endday=2025-02-09&tree=all

Comment 38

[Intermittent Failures Robot]

Summary

1 failures in 4826 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• linux1804-64-ccov-qr: 1
  • opt: 1

Table

	no_variant
linux1804-64-ccov-qr--/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-03-10&endday=2025-03-16&tree=all

Comment 39

[Intermittent Failures Robot]

Summary

1 failures in 5035 pushes (0.0 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Platform and build breakdown:

• macosx1470-64: 1
  • debug: 1

Table

	no_variant
macosx1470-64--/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-03-17&endday=2025-03-23&tree=all

Comment 40

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/ccov	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-05-05&endday=2025-05-11&tree=all

Comment 41

[Intermittent Failures Robot]

3 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Table

	no_variant
linux1804-x86_64/ccov	3

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-05-12&endday=2025-05-18&tree=all

Comment 42

[Intermittent Failures Robot]

3 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Table

	no_variant
linux1804-x86_64/ccov	2
linux1804-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-05-19&endday=2025-05-25&tree=all

Comment 43

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Table

	no_variant
linux1804-x86_64/opt	1
windows11-x86/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-05-26&endday=2025-06-01&tree=all

Comment 44

[Intermittent Failures Robot]

2 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 2

Table

	no_variant
linux1804-x86_64/ccov	1
linux1804-x86_64/opt	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-06-09&endday=2025-06-15&tree=all

Comment 45

[Intermittent Failures Robot]

3 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 3

Table

	no_variant
linux1804-x86_64/ccov	1
linux1804-x86_64/opt	2

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-06-16&endday=2025-06-22&tree=all

Comment 46

[Intermittent Failures Robot]

1 failures were associated with this bug in the last 7 days.

Repository breakdown:

• comm-central: 1

Table

	no_variant
linux1804-x86_64/debug	1

For more details, see:

https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1836935&startday=2025-06-30&endday=2025-07-06&tree=all

Comment 47

[Magnus Melin [:mkmelin] (away until Aug 10)]

Attachment: Bug 1836935 - Fix intermittent comm/mail/base/test/browser/browser_threadTreeQuirks.js | threw exception: TypeError: can't access property "textContent", composeEditor.contentDocument.body is null. r=#thunderbird-reviewers

Comment 48

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/comm-central/rev/4555ad54fc9a
Fix intermittent comm/mail/base/test/browser/browser_threadTreeQuirks.js | threw exception: TypeError: can't access property "textContent", composeEditor.contentDocument.body is null. r=babolivier

Comment 49

[Magnus Melin [:mkmelin] (away until Aug 10)]

Comment on attachment 9499707 [details]
Bug 1836935 - Fix intermittent comm/mail/base/test/browser/browser_threadTreeQuirks.js | threw exception: TypeError: can't access property "textContent", composeEditor.contentDocument.body is null. r=#thunderbird-reviewers

Uplift Approval Request

• Please state case for uplift consideration and ensure bug severity is set: Test fix
• User impact if declined: Test may fail
• Is this code covered by automated tests?: Yes
• Has the fix been verified in Daily?: Yes
• Has the fix been verified in Beta?: Yes
• Needs manual test from QA?: No
• If yes, steps to reproduce:
• List of other uplifts needed: none
• Risk to taking this patch: Low
• Why is the change risky/not risky? (and alternatives if risky): Test only fix
• Does the fix cause any migrations to be skipped?: No
• String changes made/needed: none

Comment 50

[Corey Bryant]

Comment on attachment 9499707 [details]
Bug 1836935 - Fix intermittent comm/mail/base/test/browser/browser_threadTreeQuirks.js | threw exception: TypeError: can't access property "textContent", composeEditor.contentDocument.body is null. r=#thunderbird-reviewers

[Triage Comment]
Approved for esr140

Comment 51

[Daniel Darnell [:dandarnell]]

Thunderbird 140.3.0esr:
https://hg.mozilla.org/releases/comm-esr140/rev/f332821ae1a73f3e0ca671d0e46a17b07066c7b5