REGRESSION(r290356-r290351?):[ iOS EWS ] imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-no-freshness-headers.https.html is a constant text failure

[Robert Jenner]

imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-no-freshness-headers.https.html

is a constant text failure on iOS and EWS for iOS 15. 

HISTORY:
https://results.webkit.org/?suite=layout-tests&test=imported%2Fw3c%2Fweb-platform-tests%2Fservice-workers%2Fservice-worker%2Ffetch-request-no-freshness-headers.https.html

EWS LINK:
https://ews-build.webkit.org/#/builders/68/builds/9053

TEXT DIFF:
-FAIL The headers of FetchEvent shouldn't contain freshness headers. assert_false: if-none-match header must not be set in the FetchEvent's request. (url = https://localhost:9443/service-workers/service-worker/resources/fetch-request-no-freshness-headers-script.py) expected false got true
+PASS The headers of FetchEvent shouldn't contain freshness headers.

DIFF URL:
https://build.webkit.org/results/Apple-iOS-15-Simulator-Debug-WK2-Tests/r290430%20(1724)/imported/w3c/web-platform-tests/service-workers/service-worker/fetch-request-no-freshness-headers.https-pretty-diff.html

[Robert Jenner]

Since this is impacting EWS negatively I have marked expectations for this test as [ Pass Failure ] here while I am still investigating:

https://trac.webkit.org/changeset/290466/webkit

[Dawn Morningstar]

See Also: https://bugs.webkit.org/show_bug.cgi?id=237160

[Radar WebKit Bug Importer]

<rdar://problem/89441357>

[Robert Jenner]

*** This bug has been marked as a duplicate of bug 237160 ***