corrige teste de app do sapl

sapl/base/views.py

@@ -81,7 +81,7 @@ def time_refresh_log_test(request):
 def app_frontend_view(request, app_frontend):
 
     if app_frontend not in (
-        'sessao',
+        'sessao_online',
     ):
         raise Http404
 

sapl/rules/apps.py

@@ -259,7 +259,8 @@ def cria_usuarios_padrao():
 
 def send_signal_for_websocket_time_refresh(inst, action):
 
-    if hasattr(inst, '_meta') and inst._meta.app_config.name[:4] == 'sapl':
+    if hasattr(inst, '_meta') and not inst._meta.app_config.name is None and \
+            inst._meta.app_config.name[:4] == 'sapl':
 
         # um mensagem não deve ser enviada se é post_save mas originou se de
         # revision_pre_delete_signal

sapl/templates/app_frontend.html

@@ -1,4 +1,4 @@
-{% extends "base.html" %}
+{% extends "index.html" %}
 {% load render_bundle from webpack_loader %}
 
 {% block webpack_loader_css %}