Update Azure Pipelines

Author: mdmintz

azure-pipelines.yml

@@ -41,6 +41,11 @@ jobs:
       seleniumbase install geckodriver
     displayName: 'Install chromedriver and geckodriver (Firefox Webdriver)'
 
+  - script: |
+      echo "def test_1(): pass" > nothing.py
+      pytest nothing.py
+    displayName: 'Make sure pytest is working'
+
   - script: pytest examples/boilerplates/boilerplate_test.py --browser=chrome --headless -v -s --junitxml=junit/test-results.xml
     displayName: 'Run pytest boilerplate_test.py --browser=chrome --headless'