Add Behave-BDD tests to GitHub Actions

Author: mdmintz

.github/workflows/python-package.yml

@@ -89,3 +89,9 @@ jobs:
     - name: Run pytest my_first_test.py --browser=firefox --headless
       run: |
         pytest examples/my_first_test.py --browser=firefox --headless -v -s --junit-xml=junit/test-results.xml
+    - name: Run behave examples/behave_bdd/features/calculator.feature -D rs -D xvfb -D crumbs -T -k
+      run: |
+        behave examples/behave_bdd/features/calculator.feature -D rs -D crumbs -D xvfb -T -k
+    - name: Run behave examples/behave_bdd/features/realworld.feature -D rs -D xvfb -D crumbs -T -k
+      run: |
+        behave examples/behave_bdd/features/realworld.feature -D rs -D crumbs -D xvfb -T -k