Introduce UserStory & UserStorySet classes.

tools/telemetry/telemetry/user_story/user_story_test_unittest.py

Index: tools/telemetry/telemetry/user_story/user_story_test_unittest.py
diff --git a/tools/telemetry/telemetry/user_story/user_story_test_unittest.py b/tools/telemetry/telemetry/user_story/user_story_test_unittest.py
new file mode 100644
index 0000000000000000000000000000000000000000..b855d9b85e78dc53a29b686eb6b8cdde39e1a2bd
--- /dev/null
+++ b/tools/telemetry/telemetry/user_story/user_story_test_unittest.py
@@ -0,0 +1,23 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import unittest
+
+from telemetry.user_story import user_story_set
+
+
+class UserStorySetFoo(user_story_set.UserStorySet):
+  """ UserStorySetFoo is a user story created for testing purpose. """
+  pass
+
+
+class UserStorySetTest(unittest.TestCase):
+
+  def testUserStoryTestName(self):
+    self.assertEquals('user_story_test_unittest', UserStorySetFoo.Name())
+
+  def testUserStoryTestDescription(self):
+    self.assertEquals(
+        ' UserStorySetFoo is a user story created for testing purpose. ',
+        UserStorySetFoo.Description())