tests: update test_git.py to use the new single-character flag style

The previous commit changed the way transform_kwargs handles
single-character flags with arguments.  This commit updates the
testcase accordingly.

Signed-off-by: David Aguilar <davvid@gmail.com>

Author: davvid

test/git/test_git.py

@@ -16,7 +16,7 @@ def test_method_missing_calls_execute(self, git):
 
     def test_it_transforms_kwargs_into_git_command_arguments(self):
         assert_equal(["-s"], self.git.transform_kwargs(**{'s': True}))
-        assert_equal(["-s", 5], self.git.transform_kwargs(**{'s': 5}))
+        assert_equal(["-s5"], self.git.transform_kwargs(**{'s': 5}))
 
         assert_equal(["--max-count"], self.git.transform_kwargs(**{'max_count': True}))
         assert_equal(["--max-count=5"], self.git.transform_kwargs(**{'max_count': 5}))