diff --git a/.bbtravis.yml b/.bbtravis.yml
index 45cbae0..48aa820 100644
--- a/.bbtravis.yml
+++ b/.bbtravis.yml
@@ -15,3 +15,5 @@ install:
 # Tests running commands
 script:
   - trial hello
+
+xxx
diff --git a/README.md b/README.md
index 89a6eac..d9417ff 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # hello-world
 hello world project for buildbot tutorials
+
+xxxx
diff --git a/hello/__init__.py b/hello/__init__.py
index c520c2f..ded688a 100644
--- a/hello/__init__.py
+++ b/hello/__init__.py
@@ -1,6 +1,11 @@
 """hello world module"""
 
 
+def goodbye(who):
+    """function that says goodbye"""
+    return "bye " + who
+
+
 def hello(who):
     """function that greats"""
     return "hello " + who
diff --git a/hello/test_hello.py b/hello/test_hello.py
index 5e0fecd..f6623d1 100644
--- a/hello/test_hello.py
+++ b/hello/test_hello.py
@@ -1,7 +1,7 @@
 """sample test"""
 import unittest
 
-from hello import hello
+from hello import hello, goodbye
 
 
 class TestHello(unittest.TestCase):
@@ -9,8 +9,11 @@ class TestHello(unittest.TestCase):
 
     def test_world(self):
         """sample test"""
-        self.assertEqual(hello('world'), 'hello world')
+        self.assertEqual(hello("world"), "hello world")
+
+    def test_bye(self):
+        self.assertEqual(goodbye("world"), "bye world")
 
     def test_world_unicode(self):
         """sample test with unicode"""
-        self.assertEqual(hello(u'world'), u'hello world')
+        self.assertEqual(hello("world"), "hello world")