[fix] manage.sh command names

.travis.yml

@@ -20,8 +20,8 @@ script:
   - ./manage.sh pep8_check
   - ./manage.sh styles
   - ./manage.sh grunt
-  - ./manage.sh coverage
-  - ./manage.sh robot
+  - ./manage.sh py_test_coverage
+  - ./manage.sh robot_tests
 after_success:
   coveralls
 notifications: