[battery-interface.html]
  type: testharness
  [onchargingchange: treat object as null]
    expected: FAIL

  [onchargingchange: treat object with non-callable call property as null]
    expected: FAIL

  [onchargingchange: treat array as null]
    expected: FAIL

  [onchargingchange: treat non-callable host object as null]
    expected: FAIL

  [onchargingtimechange: treat object as null]
    expected: FAIL

  [onchargingtimechange: treat object with non-callable call property as null]
    expected: FAIL

  [onchargingtimechange: treat array as null]
    expected: FAIL

  [onchargingtimechange: treat non-callable host object as null]
    expected: FAIL

  [ondischargingtimechange: treat object as null]
    expected: FAIL

  [ondischargingtimechange: treat object with non-callable call property as null]
    expected: FAIL

  [ondischargingtimechange: treat array as null]
    expected: FAIL

  [ondischargingtimechange: treat non-callable host object as null]
    expected: FAIL

  [onlevelchange: treat object as null]
    expected: FAIL

  [onlevelchange: treat object with non-callable call property as null]
    expected: FAIL

  [onlevelchange: treat array as null]
    expected: FAIL

  [onlevelchange: treat non-callable host object as null]
    expected: FAIL

