Bug 313055 – [WPE][arm64] fast/canvas/image-buffer-backend-variants.html is a flaky test

• Component: WPE WebKit
• Status: NEW

[Nikolas Zimmermann]

wktesthunter output for this flaky test across affected bots:

>>> wpe-arm64-release <<<
[311771@main-311772@main]     UNKNOWN
311773@main                   NOERROR
[311774@main-311775@main]     UNKNOWN
311776@main                   NOERROR
[311777@main-311781@main]     UNKNOWN
[311782@main-311783@main]     NOERROR
[311784@main-311788@main]     UNKNOWN
311789@main                   NOERROR
[311790@main-311793@main]     UNKNOWN
311794@main                   TEXT PASS (Expected: PASS)


The bot wpe-arm64-release completed 1253 runs on the interval [308164@main-311794@main]
Frequency of results for test: fast/canvas/image-buffer-backend-variants.html
  1130 times [90.2%]     ->  NOERROR
  87 times [6.9%]        ->  TEXT PASS
  28 times [2.2%]        ->  TEXT
  7 times [0.6%]         ->  TIMEOUT PASS
  1 times [0.1%]         ->  TIMEOUT TEXT

Of those 1253 runs it didn't match the expectation 123 times [9.8%]
Details of the type and frequency of unmatched expectations:
  87 times [6.9%]        ->  TEXT PASS (Expected: PASS)
  28 times [2.2%]        ->  TEXT (Expected: PASS)
  7 times [0.6%]         ->  TIMEOUT PASS (Expected: PASS)
  1 times [0.1%]         ->  TIMEOUT TEXT (Expected: PASS)

Flakiness factor: 18.5%
    - This test was flaky on 18.5% of the 1253 runs analyzed, either giving different
      results within a single run, or a different result than in the previous run.

>>> wpe-release <<<
311764@main                   UNKNOWN
311765@main                   NOERROR
311766@main                   UNKNOWN
311767@main                   NOERROR
[311768@main-311769@main]     UNKNOWN
311770@main                   NOERROR
[311771@main-311772@main]     UNKNOWN
311773@main                   NOERROR
[311774@main-311775@main]     UNKNOWN
311776@main                   NOERROR
[311777@main-311782@main]     UNKNOWN
311783@main                   NOERROR
[311784@main-311791@main]     UNKNOWN
311792@main                   NOERROR
311793@main                   UNKNOWN
311794@main                   NOERROR


The bot wpe-release completed 1389 runs on the interval [307795@main-311794@main]
Frequency of results for test: fast/canvas/image-buffer-backend-variants.html
  1388 times [99.9%]     ->  NOERROR
  1 times [0.1%]         ->  TIMEOUT PASS

Of those 1389 runs it didn't match the expectation 1 times [0.1%]
Details of the type and frequency of unmatched expectations:
  1 times [0.1%]         ->  TIMEOUT PASS (Expected: PASS)

Flakiness factor: 0.1%
    - This test was flaky on 0.1% of the 1389 runs analyzed, either giving different
      results within a single run, or a different result than in the previous run.

>>> gtk-release <<<
[311754@main-311758@main]     UNKNOWN
311759@main                   NOERROR
311760@main                   UNKNOWN
311761@main                   NOERROR
311762@main                   UNKNOWN
311763@main                   NOERROR
[311764@main-311766@main]     UNKNOWN
311767@main                   NOERROR
[311768@main-311769@main]     UNKNOWN
311770@main                   NOERROR
[311771@main-311773@main]     UNKNOWN
311774@main                   NOERROR
[311775@main-311782@main]     UNKNOWN
311783@main                   NOERROR
[311784@main-311791@main]     UNKNOWN
311792@main                   NOERROR


The bot gtk-release completed 1255 runs on the interval [307792@main-311792@main]
Frequency of results for test: fast/canvas/image-buffer-backend-variants.html
  1251 times [99.7%]     ->  NOERROR
  4 times [0.3%]         ->  TIMEOUT PASS

Of those 1255 runs it didn't match the expectation 4 times [0.3%]
Details of the type and frequency of unmatched expectations:
  4 times [0.3%]         ->  TIMEOUT PASS (Expected: PASS)

Flakiness factor: 0.6%
    - This test was flaky on 0.6% of the 1255 runs analyzed, either giving different
      results within a single run, or a different result than in the previous run.