code: def test_parse(self):
      self.assertEqual(("x", None, None, None), _parse_test(1, 0, "x"))
      self.assertEqual(
          ("x", None, "y", None), _parse_test(1, 0, "x", c="y")
      )
      self.assertEqual(
          ("x", None, "y", "z"), _parse_test(1, 0, "x", d="z", c="y")
      )
  
      self.assertEqual(
          ("x", "4", None, None), _parse_test(2, 0, "x", b="4")
      )
      self.assertEqual(
          ("x", "y", "z", "q"), _parse_test(2, 0, "x", "y", "z", "q")
      )
      with self.assertRaises(TypeError):
          _parse_test(2, 0, "x", "y", "z", "q", "5")
      with self.assertRaises(TypeError):
          _parse_test(2, 0, "x", "y", b="y")
  
      with self.assertRaises(TypeError):
          _parse_test(2, 0, "x", c="y")
      with self.assertRaises(TypeError):
          _parse_test(2, 0, "x")
  
imports: from functorch.dim import Tensor, Dim, dims, dimlists, stack, DimensionBindError, DimList
  from attn_ft import BertSelfAttention, Linear
  from attn_positional import BertSelfAttention
  from torch.testing._internal.common_utils import TestCase, run_tests, TEST_CUDA
  from unittest import skip, skipIf
  import torch
  import gc
  from functorch._C import dim
  from contextlib import contextmanager
  from time import perf_counter
label_desc: Use image node_id 21 for calling the TestMin obj's underlying member method code with example usage: obj.test_parse() without return types