added tests into test suite

alphamind/tests/test_suite.py

@@ -11,12 +11,14 @@ add_parent_path(__file__, 3)
 
 from alphamind.tests.test_neutralize import TestNeutralize
 from alphamind.tests.test_standardize import TestStandardize
+from alphamind.tests.test_winsorize import TestWinsorize
 from alphamind.utilities import alpha_logger
 from alphamind.utilities import TestRunner
 
 
 if __name__ == '__main__':
     runner = TestRunner([TestNeutralize,
-                         TestStandardize],
+                         TestStandardize,
+                         TestWinsorize],
                         alpha_logger)
     runner.run()
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