Bug 208062 – [ Mac wk2 ] http/wpt/fetch/disable-speculative-for-reload.html is flaky failing.

• Component: Page Loading
• Status: NEW

[Jason Lawrence]

http/wpt/fetch/disable-speculative-for-reload.html

Description: 
This test is flaky failing on Mac wk2. It has been failing throughout the visible history. The oldest diff that I am able to locate matches at r255037.

History:
https://results.webkit.org/?suite=layout-tests&test=http%2Fwpt%2Ffetch%2Fdisable-speculative-for-reload.html&platform=mac&flavor=wk2&limit=50000

Diff:
--- /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/http/wpt/fetch/disable-speculative-for-reload-expected.txt
+++ /Volumes/Data/slave/catalina-release-tests-wk2/build/layout-test-results/http/wpt/fetch/disable-speculative-for-reload-actual.txt
@@ -1,3 +1,4 @@
 
-PASS Ensure image is not speculatively loaded after a reload 
 
+FAIL Ensure image is not speculatively loaded after a reload assert_equals: after reload expected "3" but got "4"
+

[Radar WebKit Bug Importer]

<rdar://problem/59672155>

[Jason Lawrence]

I have marked this test as failing while the issue is investigated.
https://trac.webkit.org/changeset/257146/webkit

[Jason Lawrence]

I can reproduce this issue on r257082 by running the command below.
run-webkit-tests http/wpt/fetch/disable-speculative-for-reload.html --iterations 3000 --exit-after-n-failures 5 -f --force

[75/3000] http/wpt/fetch/disable-speculative-for-reload.html failed unexpectedly (text diff)
[115/3000] http/wpt/fetch/disable-speculative-for-reload.html failed unexpectedly (text diff)
[188/3000] http/wpt/fetch/disable-speculative-for-reload.html failed unexpectedly (text diff)
Retrying 1 unexpected failure ...
Running 1 WebKitTestRunner.
2997 tests ran as expected, 3 didn't:

I see the same failures on r255992 and r253698.