BOM-618 Decode content we get from test requests.

common/djangoapps/student/tests/test_email.py

@@ -215,7 +215,7 @@ class ReactivationEmailTests(EmailTestMixin, CacheIsolationTestCase):
         Send the reactivation email to the specified user,
         and return the response as json data.
         """
-        return json.loads(send_reactivation_email_for_user(user).content)
+        return json.loads(send_reactivation_email_for_user(user).content.decode('utf-8'))
 
     def assertReactivateEmailSent(self, email_user):
         """
@@ -480,7 +480,7 @@ class EmailChangeConfirmationTests(EmailTestMixin, EmailTemplateTagMixin, CacheI
         self.assertEqual(response.status_code, 200)
         self.assertEquals(
             mock_render_to_response(expected_template, expected_context).content,
-            response.content
+            response.content.decode('utf-8')
         )
 
     def assertChangeEmailSent(self, test_body_type):

common/djangoapps/third_party_auth/tests/specs/base.py

@@ -935,7 +935,7 @@ class IntegrationTest(testutil.TestCase, test.TestCase, HelperMixin):
             strategy.request.POST['password'] = 'bad_' + password if success is False else password
 
         self.assert_pipeline_running(strategy.request)
-        payload = json.loads(login_user(strategy.request).content)
+        payload = json.loads(login_user(strategy.request).content.decode('utf-8'))
 
         if success is None:
             # Request malformed -- just one of email/password given.