[Webkit-unassigned] [Bug 240123] New: [ iOS ][ macOS ] imported/w3c/web-platform-tests/webrtc/protocol/rtp-clockrate.html is a flaky failure

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=240123

            Bug ID: 240123
           Summary: [ iOS ][ macOS ]
                    imported/w3c/web-platform-tests/webrtc/protocol/rtp-cl
                    ockrate.html is a flaky failure
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: rackler at apple.com

Description:
imported/w3c/web-platform-tests/webrtc/protocol/rtp-clockrate.html

The first failure that I saw on the dashboard for iOS was 4/7/2022 at r292527, but this does not appear relevant to causing this issue.  The first failure that I saw on the dashboard for macOS was Big Sur on 3/11/2022 at r291156, and Monterey was 4/14/2022 at r292859, but neither appear relevant to causing this issue.  

History:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fwebrtc%2Fprotocol%2Frtp-clockrate.html&platform=mac&platform=ios&limit=50000

Diff:
--- /Volumes/Data/worker/Apple-iOS-15-Simulator-Release-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/protocol/rtp-clockrate-expected.txt
+++ /Volumes/Data/worker/Apple-iOS-15-Simulator-Release-WK2-Tests/build/layout-test-results/imported/w3c/web-platform-tests/webrtc/protocol/rtp-clockrate-actual.txt
@@ -1,3 +1,3 @@

-PASS video rtp timestamps increase by approximately 90000 per second
+FAIL video rtp timestamps increase by approximately 90000 per second assert_approx_equals: Video clockrate is approximately 90000 expected 90000 +/- 9000 but got 60169.840452907876

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