Bug 313122 – [GTK][WPE] Remove TestExpectations entries with flakiness factor below 5% from 2026-04-22 gardening

• Status: NEW
• Component: WPE WebKit

[Nikolas Zimmermann]

The 2026-04-22 gardening (webkit.org/b/313053 and webkit.org/b/313060)
added TestExpectations entries for a number of tests that showed a
flakiness factor below 5% across all affected bots. These entries have
been removed again.

Entries removed (bug / test / max flakiness factor):
  * webkit.org/b/313033 - fast/scrolling/scroll-animator-overlay-scrollbars-hovered.html (0.6%)
  * webkit.org/b/313037 - webgl/.../tex-2d-rgb9_e5-rgb-float.html (2.6%)
  * webkit.org/b/313038 - imported/.../cookies/attributes/expires.html (4.6%)
  * webkit.org/b/313040 - imported/.../video-rvfc/request-video-frame-callback-webrtc.https.html (1.8%)
  * webkit.org/b/313041 - inspector/debugger/async-stack-trace-truncate.html (1.5%)
  * webkit.org/b/313042 - media/W3C/audio/currentSrc/... (0.6%)
  * webkit.org/b/313044 - webgl/.../tex-2d-r11f_g11f_b10f-rgb-half_float.html (1.9%)
  * webkit.org/b/313045 - webgl/.../tex-2d-rgba4-rgba-unsigned_byte.html (2.1%)
  * webkit.org/b/313046 - webgl/.../tex-3d-rg32f-rg-float.html (0.5%)
  * webkit.org/b/313047 - webgl/.../tex-3d-rgb5_a1-rgba-unsigned_byte.html (0.6%)
  * webkit.org/b/313048 - webgl/.../tex-3d-srgb8-rgb-unsigned_byte.html (0.4%)
  * webkit.org/b/313049 - webrtc/getDisplayMedia-odd-size.html (1.2%)
  * webkit.org/b/313050 - webrtc/peer-connection-remote-audio-mute.html (0.3%)
  * webkit.org/b/313051 - webrtc/video-rotation.html (1.4%)
  * webkit.org/b/313057 - imported/.../track-cues-enter-seeking.html (2.6%)
  * webkit.org/b/313059 - webrtc/vp9.html (4.9%)

[Nikolas Zimmermann]

Test gardening pull request: https://github.com/WebKit/WebKit/pull/63415

[EWS]

Test gardening commit 311840@main (864f1bd67b32): <https://commits.webkit.org/311840@main>

Reviewed commits have been landed. Closing PR #63415 and removing active labels.