diff --git a/.travis.yml b/.travis.yml
index 2c52a53a..0de6f864 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,7 @@ before_script:
   # exit-zero treats all errors as warnings.  The GitHub editor is 127 chars wide
   - flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
 script:
-  - true  # add other tests here
+  - python3 -m unittest tests.all --buffer --verbose
 notifications:
   on_success: change
   on_failure: change  # `always` will be the setting once code changes slow down