Fix celery configuration in travis tests

Author: lucernae

django_project/core/settings/test_travis.py

@@ -12,3 +12,6 @@
         'PORT': '',
     }
 }
+
+# For local testing without celery worker
+CELERY_ALWAYS_EAGER = True

django_project/realtime/tasks/test/test_flood_task.py

@@ -9,6 +9,7 @@
 from django.conf import settings
 from django.contrib.gis.geos.point import Point
 from django.core.files.base import File
+from django.apps import apps as django_apps
 from rest_framework.test import APITestCase
 
 from core.settings.utils import ABS_PATH
@@ -34,6 +35,9 @@ def setUp(self):
             self.default_media_path = settings.MEDIA_ROOT
             settings.MEDIA_ROOT = ABS_PATH('media_test')
 
+        app_config = django_apps.get_app_config('realtime')
+        app_config.ready()
+
         Flood.objects.create(
             event_id=u'2015112518-3-rw',
             time=datetime.datetime(