Frames read in order all differ: True

Testing out of order seeks:
  seek to subimage 2 ok: True  on subimage: 2  pixels match: True
  seek to subimage 0 ok: True  on subimage: 0  pixels match: True
  seek to subimage 3 ok: True  on subimage: 3  pixels match: True
  seek to subimage 1 ok: True  on subimage: 1  pixels match: True
  seek to subimage 3 ok: True  on subimage: 3  pixels match: True
  seek to subimage 0 ok: True  on subimage: 0  pixels match: True

Testing seek past the last subimage:
  seek to subimage 4 rejected: True
  not left on that subimage: True
  still rejected when repeated: True

Testing seeks after a failed seek:
  seek to subimage 1 ok: True  on subimage: 1  pixels match: True
  seek to subimage 3 ok: True  on subimage: 3  pixels match: True
  seek to subimage 0 ok: True  on subimage: 0  pixels match: True

Done.
