add if __name to test file

Author: garyherd

part1/reverse_herd/reverse_string.py

@@ -1 +1,2 @@
-__author__ = 'G'
+def reverse(str_to_reverse):
+    return  str_to_reverse[::-1]

part1/reverse_herd/test_reverse_string.py

@@ -1 +1,19 @@
-__author__ = 'G'
+from reverse_string import reverse
+import unittest
+
+
+class ReverseStringTest(unittest.TestCase):
+
+    # setUp
+    # helpers
+
+    # tests
+    def test_string_is_reversed(self):
+        test_str = 'rabbit'
+        result_expected = 'tibbar'
+        result_actual = reverse(test_str)
+        self.assertEqual(result_expected, result_actual)
+
+
+if __name__ == '__main__':
+    unittest.main()