[cairo] add rotate-source-surface-paint to testsuit.

[sunmoon1997]

hi,
  This is a patch adding test rotate-source-surface-paint to cairo
testsuit. This test address the problem painting a rotated surface to
another surface. Glitz backend fails here in 64bit mode, and I don't
know whether it works on 32bit mode, can anyone comfirm it? David, could
you look into this problem?
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