Fix test folder name

Before pushing to github for travis test of coverage.

.travis.yml

@@ -20,7 +20,7 @@ install:
 # command to run tests
 script: 
   #- py.test -cov coveralls --cov-report term-missing
-  - py.test --cov=spectrum_overload test/ --cov-report term-missing
+  - py.test --cov=spectrum_overload spectrum_overload/test/ --cov-report term-missing
 
 after_success:
   - coveralls