chromium/third_party/blink/web_tests/http/tests/navigation/onload-navigation-iframe-expected.txt

In this case, Safari and Firefox don't add a history item.

============== Back Forward List ==============
curr->  http://127.0.0.1:8000/navigation/onload-navigation-iframe.html
            http://127.0.0.1:8000/navigation/resources/blank.txt? (in frame "myFrame")
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