Create a 3rd explicit shard for unit tests.

More accurately, this creates a 4th shard because the
last shard is always the default.

lms/djangoapps/support/tests/test_views.py

@@ -10,6 +10,7 @@ import re
 
 import ddt
 from django.core.urlresolvers import reverse
+from nose.plugins.attrib import attr
 from pytz import UTC
 
 from course_modes.models import CourseMode
@@ -40,6 +41,7 @@ class SupportViewTestCase(ModuleStoreTestCase):
         self.assertTrue(success, msg="Could not log in")
 
 
+@attr('shard_3')
 @ddt.ddt
 class SupportViewAccessTests(SupportViewTestCase):
     """