Add unit tests

InvenTree/part/templates/part/detail.html

@@ -28,11 +28,6 @@
         </div>
     </div>
     <div class='panel-content'>
-        {% if part.is_template %}
-        <div class='alert alert-info alert-block'>
-            {% blocktrans with full_name=part.full_name%}Showing stock for all variants of <em>{{full_name}}</em>{% endblocktrans %}
-        </div>
-        {% endif %}
         {% include "stock_table.html" %}
     </div>
 </div>