fix: remove accidentally removed assertions

Signed-off-by: varun-edachali-dbx <varun.edachali@databricks.com>

Author: varun-edachali-dbx

tests/unit/test_client.py

@@ -208,6 +208,16 @@ def test_context_manager_closes_cursor(self):
             cursor.close = mock_close
         mock_close.assert_called_once_with()
 
+        cursor = client.Cursor(Mock(), Mock())
+        cursor.close = Mock() 
+
+        try:
+            with self.assertRaises(KeyboardInterrupt):
+                with cursor: 
+                    raise KeyboardInterrupt("Simulated interrupt")
+        finally:
+            cursor.close.assert_called()
+
     def dict_product(self, dicts):
         """
         Generate cartesion product of values in input dictionary, outputting a dictionary