modify coverage build to ignore the tests

.travis.yml

@@ -8,7 +8,9 @@ install:
      - "pip install coveralls"
 # command to run tests, e.g. python setup.py test
 script:  
-    coverage run --source=pwman setup.py test
+    #coverage run --source=pwman setup.py test
+    coverage run --omit=pwman/tests/*.py --source=pwman setup.py test
+
 
 after_success:
       coveralls