docstr: Tests when the args are a subset of the expectations.
docstr_tok: ["Tests","when","the","args","are","a","subset","of","the","expectations","."]
code: def test_arg_subset(self):
      """
      Tests when the args are a subset of the expectations.
      """
  
      def f(a, b):
          pass
  
      with self.assertRaises(NotEnoughArguments):
          verify_callable_argspec(
              f, [Argument("a"), Argument("b"), Argument("c")]
          )
  
imports: from unittest import TestCase
  from zipline.utils.argcheck import verify_callable_argspec, Argument, NoStarargs, UnexpectedStarargs, NoKwargs, UnexpectedKwargs, NotCallable, NotEnoughArguments, TooManyArguments, MismatchedArguments
label_desc: Use image node_id 10 for calling the TestArgCheck obj's underlying member method code with example usage: obj.test_arg_subset() without return types