test: require Search Week Ahead browser coverage

tests/test_ci_workflow.py

@@ -61,6 +61,7 @@ def test_release_promotion_waits_for_packaged_mobile_journeys():
     assert (
         "python3 -m pytest tests/e2e/test_mobile_offline_issue_release.py "
         "tests/e2e/test_mobile_search_preview_navigation.py "
+        "tests/e2e/test_mobile_search_week_plan.py "
         "tests/e2e/test_mobile_find_work_release.py "
         "tests/e2e/test_mobile_home_bootstrap_release.py "
         "tests/e2e/test_mobile_sign_out_release.py "