This is a testharness.js-based test.
[FAIL] 15: "\\n<p><tt>x</tt></p><p><tt><br></tt></p><p><tt><br></tt></p>\\n" 3,0,0 delete
  assert_in_array: innerHTML value "\\n<p><tt>x</tt></p><p><br></p>\\n" not in array ["\\n<p><tt>x</tt></p><p><tt><br></tt></p>\\n", "\\n<p><tt>x</tt></p><p><tt><br></tt></p>"]
Harness: the test ran to completion.