Cancelled notifications do not show as failures on dashboard stats

Also update tests after we no longer show cancelled letters

app/templates/components/big-number.html

@@ -34,8 +34,7 @@
   link=None,
   show_failures=True,
   smaller=False,
-  smallest=False,
-  failed_as_cancelled=False
+  smallest=False
 ) %}
   <div class="big-number-with-status">
     {{ big_number(number, label, link=link, smaller=smaller, smallest=smallest) }}
@@ -45,26 +44,14 @@
           {% if failure_link %}
             <a href="{{ failure_link }}">
               {{ "{:,}".format(failures) }}
-              {% if failed_as_cancelled %}
-                cancelled
-              {% else %}
-                failed – {{ failure_percentage }}%
-              {% endif %}
+              failed – {{ failure_percentage }}%
             </a>
           {% else %}
             {{ "{:,}".format(failures) }}
-            {% if failed_as_cancelled %}
-              cancelled
-            {% else %}
-              failed – {{ failure_percentage }}%
-            {% endif %}
+            failed – {{ failure_percentage }}%
           {% endif %}
         {% else %}
-          {% if failed_as_cancelled %}
-            0 cancelled
-          {% else %}
-            No failures
-          {% endif %}
+          No failures
         {% endif %}
       </div>
     {% endif %}

app/templates/views/dashboard/_totals.html

@@ -37,8 +37,7 @@
           statistics['letter']['show_warning'],
           failure_link=url_for(".view_notifications", service_id=service_id, message_type='letter', status='failed'),
           link=url_for(".view_notifications", service_id=service_id, message_type='letter', status=''),
-          smaller=smaller_font_size,
-          failed_as_cancelled=True
+          smaller=smaller_font_size
         ) }}
       </div>
     {% endif %}

app/utils.py

@@ -40,7 +40,7 @@ from werkzeug.datastructures import MultiDict
 SENDING_STATUSES = ['created', 'pending', 'sending', 'pending-virus-check']
 DELIVERED_STATUSES = ['delivered', 'sent', 'returned-letter']
 FAILURE_STATUSES = ['failed', 'temporary-failure', 'permanent-failure',
-                    'technical-failure', 'virus-scan-failed', 'cancelled']
+                    'technical-failure', 'virus-scan-failed']
 REQUESTED_STATUSES = SENDING_STATUSES + DELIVERED_STATUSES + FAILURE_STATUSES