code: def non_parse(self, expected_err, opts):
      self.parse_opts(opts, expect_error=True)
      #        e = self.should_fail(lambda: self.parse_opts(opts))
      self.assertEqual(expected_err, self.error.message_only)
  
imports: from Cython.TestUtils import CythonTest
  import Cython.Compiler.Errors
  from Cython.Compiler.Nodes import *
  from Cython.Compiler.ParseTreeTransforms import *
  from Cython.Compiler.Buffer import *
label_desc: Use image node_id 3 for calling the TestBufferOptions obj's underlying member method code with example usage: obj.non_parse(expected_err, opts) without return types