Adding logic to exercise the unit test (#14)

app/dummy.py

@@ -0,0 +1,9 @@
+"""Dummy module.
+
+Dummy module to exercise unit test code. Replace this with actual application
+logic.
+"""
+
+
+def dummy():
+    return 'dummy'

tests/test_dummy.py

@@ -1,8 +1,10 @@
 import unittest
 
+from app import dummy
+
 
 class DummyTest(unittest.TestCase):
     """Replace this with a real unit test class."""
 
     def test_dummy(self):
-        self.assertTrue(True)
+        self.assertEqual('dummy', dummy.dummy())