Remove test dir from py.test to try get coverage on Spectrum.py

.travis.yml

@@ -43,7 +43,7 @@ install:
 # command to run tests
 script: 
   #- py.test -cov coveralls --cov-report term-missing
-  - py.test --cov=spectrum_overload spectrum_overload/test/ --cov-report term-missing
+  - py.test --cov=spectrum_overload spectrum_overload/ --cov-report term-missing
 
 after_success:
   - coveralls