chromium/third_party/blink/web_tests/fast/dom/HTMLLinkElement/link-preload-validity-expected.txt

CONSOLE DEBUG: Preload triggered for prefetch.wut.com.test/1.gif
CONSOLE WARNING: <link rel=preload> has an invalid `href` value
CONSOLE WARNING: <link rel=preload> has an invalid `href` value
CONSOLE WARNING: <link rel=preload> has an invalid `href` value
CONSOLE DEBUG: Preload triggered for prefetch.wut.com.test/3.gif
This test verifies that a preload request is sent and logged.