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wide_gamut_macos is flakey #185447

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@gaaclarke

failure examples

log

[2026-04-22 15:59:11.972195] [STDOUT] stdout: 00:05 +0 -9: end-to-end test draw wide gamut conical gradient works
[2026-04-22 15:59:12.237754] [STDOUT] stdout: ══╡ EXCEPTION CAUGHT BY FLUTTER TEST FRAMEWORK ╞════════════════════════════════════════════════════
[2026-04-22 15:59:12.237830] [STDOUT] stdout: The following TestFailure was thrown running a test:
[2026-04-22 15:59:12.237889] [STDOUT] stdout: Expected: contains color [1.0931, -0.2268, -0.1501]
[2026-04-22 15:59:12.238810] [STDOUT] stdout:   Actual: [
[2026-04-22 15:59:12.238834] [STDOUT] stdout:             800,
[2026-04-22 15:59:12.238864] [STDOUT] stdout:             600,
[2026-04-22 15:59:12.238877] [STDOUT] stdout:             'MTLPixelFormatBGRA8Unorm',
[2026-04-22 15:59:12.238971] [STDOUT] stdout:             [
[2026-04-22 15:59:12.239113] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.239135] [STDOUT] stdout:               247,
[2026-04-22 15:59:12.239187] [STDOUT] stdout:               254,
[2026-04-22 15:59:12.239208] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.239230] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.239292] [STDOUT] stdout:               247,
[2026-04-22 15:59:12.240026] [STDOUT] stdout:               254,
[2026-04-22 15:59:12.240045] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.240124] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.240136] [STDOUT] stdout:               247,
[2026-04-22 15:59:12.240418] [STDOUT] stdout:               254,
[2026-04-22 15:59:12.240461] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.240481] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.240509] [STDOUT] stdout:               247,
[2026-04-22 15:59:12.240537] [STDOUT] stdout:               254,
[2026-04-22 15:59:12.240616] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.240700] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.240760] [STDOUT] stdout:               247,
[2026-04-22 15:59:12.240775] [STDOUT] stdout:               254,
[2026-04-22 15:59:12.240815] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.241579] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.241612] [STDOUT] stdout:               247,
[2026-04-22 15:59:12.241636] [STDOUT] stdout:               254,
[2026-04-22 15:59:12.241727] [STDOUT] stdout:               255,
[2026-04-22 15:59:12.241761] [STDOUT] stdout:               ...
[2026-04-22 15:59:12.241802] [STDOUT] stdout:             ]
[2026-04-22 15:59:12.242114] [STDOUT] stdout:           ]
[2026-04-22 15:59:12.242166] [STDOUT] stdout:    Which: could not find any colors (unsupported pixel format?)
[2026-04-22 15:59:12.242176] [STDOUT] stdout: Unsupported operation: Unsupported pixel format: MTLPixelFormatBGRA8Unorm at #0      _findColor
[2026-04-22 15:59:12.242185] [STDOUT] stdout: (file:///Volumes/Work/s/w/ir/x/w/rc/tmpxh50q6il/flutter%20sdk/dev/integration_tests/wide_gamut_test/integration_test/app_test.dart:76:5)

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P2Important issues not at the top of the work liste: impellerImpeller rendering backend issues and features requeststeam-engineOwned by Engine team

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