Fixing tests

Author: snyaggarwal

core/users/views.py

@@ -151,15 +151,14 @@ def post(self, request, *args, **kwargs):  # pylint: disable=unused-argument
             raise Http400(
                 {'error': ["Single Sign On is enabled in this environment. Cannot login via API directly."]})
 
-        serializer = AuthTokenSerializer(
-            data=request.data,
-            context={'request': request},
-        )
-        serializer.is_valid(raise_exception=True)
+        username = request.data.get('username')
+        password = request.data.get('password')
+        if not username or not password:
+            return Response(status=status.HTTP_400_BAD_REQUEST)
 
-        user = UserProfile.objects.filter(username=request.data.get('username')).first()
+        user = UserProfile.objects.filter(username=username).first()
 
-        if not user or not user.check_password(request.data.get('password')):
+        if not user or not user.check_password(password):
             raise Http400({'non_field_errors': ["Unable to log in with provided credentials."]})
 
         if not user.is_active: