close #348

define an alternative datastore in tmp dir, it is created for the test and destroy at the end.

django/allgo/api/tests/ApiJobsTestCase.py

@@ -6,6 +6,7 @@
 import logging
 from shutil import rmtree
 from os import makedirs
+from tempfile import mkdtemp
 import json
 
 from django.conf import settings
@@ -41,6 +42,7 @@ class ApiJobsTestCase(TestCase):
     @classmethod
     def setUpTestData(cls):
         log.info(":> AJ.setUpTestData.")
+        settings.DATASTORE = mkdtemp(prefix="api_test_datastore")
 
         populate_db.with_vitals()
         usernames = [cls.USERNAME, cls.NEMO]