This is a testharness.js-based test.
[FAIL] Ensure the right attributes are modified.
assert_equals: expected "HTMLIFrameElement srcdoc" but got "Element setAttribute"
[FAIL] Ensure the deleted attributes is modified.
assert_equals: expected "alert(1)" but got "content"
[FAIL] Ensure setAttribute results in right attribute value.
assert_equals: expected 2 but got 3
[FAIL] Ensure setAttributeNS results in right attribute value.
assert_equals: expected 2 but got 3
Harness: the test ran to completion.