This is a testharness.js-based test.
Harness Error. harness_status.status = 1 , harness_status.message = 1 duplicate test name: "img element with title and alt"
PASS img element without alt
FAIL img element without alt, with title assert_equals: expected "attribute" but got "title"
PASS img element with title and alt
PASS img element with title and alt
PASS img element with title and alt
Harness: the test ran to completion.

