[2.0.x] Fixed #28837 -- Fixed test client crash if an exception with more than one arg is raised.

Also removed usage of the problematic pattern elsewhere.

Regression in 6e55e1d88a.

Backport of 746caf3ef8 from master

tests/test_client/tests.py

@@ -29,7 +29,7 @@ from django.test import (
 )
 from django.urls import reverse_lazy
 
-from .views import get_view, post_view, trace_view
+from .views import TwoArgException, get_view, post_view, trace_view
 
 
 @override_settings(ROOT_URLCONF='test_client.urls')
@@ -713,6 +713,11 @@ class ClientTest(TestCase):
         with self.assertRaisesMessage(Exception, 'exception message'):
             self.client.get('/nesting_exception_view/')
 
+    def test_response_raises_multi_arg_exception(self):
+        """A request may raise an exception with more than one required arg."""
+        with self.assertRaises(TwoArgException):
+            self.client.get('/two_arg_exception/')
+
     def test_uploading_temp_file(self):
         with tempfile.TemporaryFile() as test_file:
             response = self.client.post('/upload_view/', data={'temp_file': test_file})