Remove verbose flag from pytest on travis.

Makes it easier to see what's gone wrong, esp. if a linting issue!

Author: Fizzadar

.travis.yml

@@ -16,7 +16,7 @@ install: 'pip install -e .[test]'
 
 script:
   - flake8
-  - pytest -v --cov
+  - pytest --cov
 
 after_success:
   - codecov
@@ -25,8 +25,8 @@ jobs:
   include:
     - stage: Local integration test
       python: '3.8'
-      script: pytest -v -m local
+      script: pytest -m local
 
     - stage: Docker integration test
       python: '3.8'
-      script: travis_wait pytest -v -m docker
+      script: travis_wait pytest -m docker