[1.5.x] Revert "Fixed #19895 -- Made second iteration over invalid queryset raise an exception too"

This reverts commit d1e87eb3baf75b1b6a0ada46a9b77f7e347cdb60.
This commit was the cause of a memory leak. See ticket for more details.
Thanks Anssi Kääriäinen for identifying the source of the bug.

1 files changed, 1 insertions, 6 deletions

diff --git a/tests/modeltests/basic/tests.py b/tests/modeltests/basic/tests.py
index 1dd1176d8b..db8c079962 100644
--- a/tests/modeltests/basic/tests.py
+++ b/tests/modeltests/basic/tests.py
@@ -2,7 +2,7 @@ from __future__ import absolute_import, unicode_literals
 
 from datetime import datetime
 
-from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned, FieldError
+from django.core.exceptions import ObjectDoesNotExist, MultipleObjectsReturned
 from django.db.models.fields import Field, FieldDoesNotExist
 from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
 from django.utils import six
@@ -639,8 +639,3 @@ class ModelTest(TestCase):
         Article.objects.bulk_create([Article(headline=lazy, pub_date=datetime.now())])
         article = Article.objects.get()
         self.assertEqual(article.headline, notlazy)
-
-    def test_invalid_qs_list(self):
-        qs = Article.objects.order_by('invalid_column')
-        self.assertRaises(FieldError, list, qs)
-        self.assertRaises(FieldError, list, qs)
\ No newline at end of file