Remove automatic warning check (#296)

tests/test_MySQLdb_capabilities.py

@@ -160,28 +160,6 @@ class test_MySQLdb(capabilities.DatabaseTest):
             return
         self.fail("Should raise ProgrammingError")
 
-    def test_warning_propagation(self):
-        with warnings.catch_warnings():
-            # Ignore all warnings other than MySQLdb generated ones
-            warnings.simplefilter("ignore")
-            warnings.simplefilter("error", category=MySQLdb.Warning)
-
-            # verify for both buffered and unbuffered cursor types
-            for cursor_class in (cursors.Cursor, cursors.SSCursor):
-                c = self.connection.cursor(cursor_class)
-                try:
-                    c.execute("SELECT CAST('124b' AS SIGNED)")
-                    c.fetchall()
-                except MySQLdb.Warning as e:
-                    # Warnings should have errorcode and string message, just like exceptions
-                    self.assertEqual(len(e.args), 2)
-                    self.assertEqual(e.args[0], 1292)
-                    self.assertTrue(isinstance(e.args[1], unicode))
-                else:
-                    self.fail("Should raise Warning")
-                finally:
-                    c.close()
-
     def test_binary_prefix(self):
         # verify prefix behaviour when enabled, disabled and for default (disabled)
         for binary_prefix in (True, False, None):