[2d.path.stroke.prune.arc.html]
  [Zero-length line segments from arcTo and arc are removed before stroking]
    expected:
      if not debug and (os == "linux") and (processor == "x86") and (bits == 32): FAIL
      if not debug and (os == "linux") and (processor == "x86_64") and (bits == 64): FAIL
      if debug and (os == "linux") and (processor == "x86_64") and (bits == 64): FAIL
      if debug and (os == "linux") and (processor == "x86") and (bits == 32): FAIL
      if os == "win": FAIL
      if os == "mac": FAIL