Hide download CSV link when in the tour

There is really no point to downloading the CSV file of delivery
info when you’re in the tour. It’s just distracting at this point.

app/templates/partials/jobs/notifications.html

@@ -4,7 +4,7 @@
   <div class="dashboard-table">
 {% endif %}
 
-  {% if notifications %}
+  {% if notifications and request.args.get('help', '0') == '0' %}
     <p class="bottom-gutter">
       <a href="{{ url_for('.view_job_csv', service_id=current_service.id, job_id=job.id, status=status) }}" download="download" class="heading-small">Download as a CSV file</a>
       &emsp;

tests/app/main/views/test_jobs.py

@@ -99,6 +99,34 @@ def test_should_show_page_for_one_job(
         )
 
 
+def test_should_show_not_show_csv_download_in_tour(
+    app_,
+    service_one,
+    active_user_with_permissions,
+    mock_get_service_template,
+    mock_get_service_statistics,
+    mock_get_job,
+    mocker,
+    mock_get_notifications,
+    fake_uuid
+):
+    with app_.test_request_context(), app_.test_client() as client:
+        client.login(active_user_with_permissions, mocker, service_one)
+        response = client.get(url_for(
+            'main.view_job',
+            service_id=service_one['id'],
+            job_id=fake_uuid,
+            help=3
+        ))
+
+        assert response.status_code == 200
+        assert url_for(
+            'main.view_job_csv',
+            service_id=service_one['id'],
+            job_id=fake_uuid
+        ) not in response.get_data(as_text=True)
+
+
 @freeze_time("2016-01-01 11:09:00.061258")
 def test_should_show_updates_for_one_job_as_json(
     app_,