Test failures on Geller

[drvinceknight]

On #1198 and #1197 a specific test is failing on different OSs:

FAIL: test_returns_foil_inspection_strategy_of_opponent (axelrod.tests.strategies.test_geller.TestGeller)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/travis/build/Axelrod-Python/Axelrod/axelrod/tests/strategies/test_geller.py", line 65, in test_returns_foil_inspection_strategy_of_opponent
    self.versus_test(axelrod.MindReader(), expected_actions=[(D, D), (D, C), (D, D)], seed=seed)
  File "/home/travis/build/Axelrod-Python/Axelrod/axelrod/tests/strategies/test_player.py", line 521, in versus_test
    self.assertEqual(match.play(), expected_actions)
AssertionError: Lists differ: [(D, D), (D, D), (D, D)] != [(D, D), (D, C), (D, D)]
First differing element 1:
(D, D)
(D, C)
- [(D, D), (D, D), (D, D)]
?              ^
+ [(D, D), (D, C), (D, D)]
?