Travis: fix echo failing

.travis.yml

@@ -23,7 +23,7 @@ script:
   - cd ../regression
   - chmod 755 run.py
   - ./run.py
-  - echo ==========================================================
-  - echo REGRESSION TEST FAILS (results/run_regression_suite_failures.csv)
+  - echo "=========================================================="
+  - echo "REGRESSION TEST FAILS (results/run_regression_suite_failures.csv)"
   - cat ../results/run_regression_suite_failures.csv