This is a testharness.js-based test.
[FAIL] Insert text into the selection at the end of a link
  assert_equals: The text should be inserted into the link expected "Linka" but got "Link"
[FAIL] Insert text into the selection at the beginning of a link
  assert_equals: The text should be inserted into the link expected "aLink" but got "Link"
Harness: the test ran to completion.