test: add comment that ci tests don't need pytest-env.

redis run in ci doesn't have passwords.

Author: rouilj

.github/workflows/ci-test.yml

@@ -116,6 +116,8 @@ jobs:
       - name: Update pip
         run: python -m pip install --upgrade pip
 
+      # note pytest-env is not needed for redis password as there is
+      # no password on CI's redis.
       - name: Install pytest and other packages needed for running tests
         run: pip install flake8 mock pytest pytest-cov requests sphinx-tabs
 

.travis.yml

@@ -132,6 +132,8 @@ install:
   - pip install redis
   - pip install pytz whoosh pyjwt requests
   - pip install jinja2
+  # note pytest-env is not needed for redis password as there is
+  # no password on CI's redis.
   - pip install pytest-cov
   - pip install beautifulsoup4
   - if [[ $TRAVIS_PYTHON_VERSION != "3.4"* ]]; then pip install docutils; fi