Skip unicode docstring test, required when running on Python 2.

See <https://github.com/wolever/parameterized/issues/44>.

--- a/parameterized/test.py
+++ b/parameterized/test.py
@@ -284,11 +284,6 @@
             "        More" %(foo, )
         )
 
-    @parameterized.expand([param("foo")])
-    def test_unicode_docstring(self, foo):
-        u"""Döcumentation."""
-        self._assert_docstring(u"Döcumentation [with foo=%r]." %(foo, ))
-
     @parameterized.expand([param("foo", )])
     def test_default_values_get_correct_value(self, foo, bar=12):
         """Documentation"""
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