change log test, to use registry.update instead of running the search…

…_index command

update travis to run the test command without removing the log test

bothub/api/v2/tests/test_logs.py

@@ -1,10 +1,9 @@
 import json
-import time
 
-from django.core.management import call_command
 from django.test import RequestFactory
 from django.test import tag
 from django.test import TestCase
+from django_elasticsearch_dsl.registries import registry
 from rest_framework import status
 
 from bothub.api.v2.nlp.views import RepositoryNLPLogsViewSet
@@ -172,8 +171,7 @@ def setUp(self):
             is_default=False,
             repository_nlp_log=nlp_log,
         )
-        call_command("search_index", "--rebuild", "-f")
-        time.sleep(10)
+        registry.update(nlp_log)
 
     def request(self, data, token=None):
         authorization_header = (