Add Python 2.7 (py27) to Travis

.travis.yml

@@ -1,23 +1,22 @@
 sudo: required
+language: python
+services:
+  - docker
 jobs:
   include:
     - stage:
-      language: python
-      services:
-        docker
       env:
         - TOXENV=flake8
-      before_install: docker build -t axe-selenium-python .
-      install: skip
-      script:
-        - docker run -e TOXENV=$TOXENV axe-selenium-python tox
     - stage:
-      language: python
-      services:
-        docker
+      env: TOXENV=py27
+    - stage:
       env:
         - TOXENV=py36
-      before_install: docker build -t axe-selenium-python .
-      install: skip
-      script:
-        - docker run -e TOXENV=$TOXENV axe-selenium-python tox
+cache:
+  pip: true
+before_install: docker build -t axe-selenium-python .
+install: skip
+script:
+    - docker run -e TOXENV=$TOXENV axe-selenium-python tox
+notifications:
+  email: fte-ci@mozilla.com

tox.ini

@@ -6,20 +6,21 @@ skipsdist = true
 passenv = HOME DISPLAY MOZ_HEADLESS PYTEST_ADDOPTS PYTEST_BASE_URL \
     SAUCELABS_USR SAUCELABS_PSW JENKINS_URL JOB_NAME BUILD_NUMBER
 deps = -raxe_selenium_python/tests/requirements/tests.txt
-commands = pytest \
-    --verbose \
-    --driver=SauceLabs \
-    --base-url=https://web-mozillians-staging.production.paas.mozilla.community
+commands = pytest
+
+[testenv:py27]
+commands = pytest
 
 [testenv:py36]
-commands = pytest \
-    --verbose \
-    --driver=Firefox \
-    --base-url=https://web-mozillians-staging.production.paas.mozilla.community
+commands = pytest
 
 [testenv:flake8]
 deps = -raxe_selenium_python/tests/requirements/flake8.txt
 commands = flake8 {posargs:.}
 
 [flake8]
 ignore = E501
+
+[pytest]
+addopts = --verbose --driver=Firefox
+base_url = https://web-mozillians-staging.production.paas.mozilla.community