docstr: Tests the case where a default is expected, but the default provided
  does not match the one expected.
docstr_tok: ["Tests","the","case","where","a","default","is","expected",",","but","the","default","provided","does","not","match","the","one","expected","."]
code: def test_wrong_default(self):
      """
      Tests the case where a default is expected, but the default provided
      does not match the one expected.
      """
  
      def f(a=1):
          pass
  
      with self.assertRaises(MismatchedArguments):
          verify_callable_argspec(f, [Argument("a", 2)])
  
imports: from unittest import TestCase
  from catalyst.utils.argcheck import verify_callable_argspec, Argument, NoStarargs, UnexpectedStarargs, NoKwargs, UnexpectedKwargs, NotCallable, NotEnoughArguments, TooManyArguments, MismatchedArguments
label_desc: Use image node_id 18 for calling the TestArgCheck obj's underlying member method code with example usage: obj.test_wrong_default() without return types