code: def test_ill_arg(self):
      with self.assertRaises(ValueError):
          TransformerBlock(
              hidden_size=128,
              num_heads=12,
              mlp_dim=2048,
              dropout_rate=4.0,
          )
  
      with self.assertRaises(ValueError):
          TransformerBlock(
              hidden_size=622,
              num_heads=8,
              mlp_dim=3072,
              dropout_rate=0.4,
          )
  
file_path: MONAI/tests/test_transformerblock.py
imports: from __future__ import annotations
  import unittest
  import numpy
  import torch
  from parameterized import parameterized
  from monai.networks import eval_mode
  from monai.networks.blocks.transformerblock import TransformerBlock
label_desc: Use image node_id 2 for calling the TestTransformerBlock obj's underlying member method code with example usage: obj.test_ill_arg() without return types