code: def test_array_invalid_length(self):
      # cannot create arrays with non-positive size
      self.assertRaises(ValueError, lambda: c_int * -1)
      self.assertRaises(ValueError, lambda: c_int * -3)
  
imports: import unittest
  from ctypes import Structure, sizeof, resize, c_int
label_desc: Use image node_id 2 for calling the VarSizeTest obj's underlying member method code with example usage: obj.test_array_invalid_length() without return types