This is a testharness.js-based test.
[FAIL] Prefetch should include Sec-Purpose=prefetch and Sec-Fetch-Dest=empty headers
assert_equals: expected (string) "prefetch" but got (undefined) undefined
[FAIL] Prefetch should not include proprietary headers (X-moz/Purpose)
assert_false: expected false got true
[FAIL] Prefetch should respect CORS mode
assert_equals: expected (undefined) undefined but got (string) "https://web-platform.test:8444"
Harness: the test ran to completion.