docstr: Tests that ignoring defaults works as intended.
docstr_tok: ["Tests","that","ignoring","defaults","works","as","intended","."]
code: def test_ignore_default(self):
      """
      Tests that ignoring defaults works as intended.
      """
  
      def f(a=1):
          pass
  
      verify_callable_argspec(f, [Argument("a")])
  
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 14 for calling the TestArgCheck obj's underlying member method code with example usage: obj.test_ignore_default() without return types