[handler-count.html?element]

[handler-count.html?document]

[handler-count.html?window]
  expected:
    if (os == "linux") and debug and fission: [OK, TIMEOUT]
  [Test addEventListener/removeEventListener on the window.]
    expected:
      if (os == "linux") and debug and fission: [PASS, TIMEOUT]

  [Test setting onanimationstart handler on the window.]
    expected:
      if (os == "linux") and debug and fission: [PASS, NOTRUN]