[block-in-inline-self-collapsing-margin-001.html]
  [A self collapsing block's margin stays inside a containing block with a border (nested)]
    expected:
      if os == "mac": PASS
      FAIL

  [A self collapsing block's margin stays inside a containing block with a border (sibling)]
    expected:
      if os == "mac": PASS
      FAIL

  [A self collapsing block's margin collapses out of a containing block without one (nested)]
    expected:
      if os == "mac": PASS
      FAIL

  [A self collapsing block's margin collapses out of a containing block without one (sibling)]
    expected:
      if os == "mac": PASS
      FAIL