code: def test_from_bytes_small(self):
      # bpo-46361
      for i in range(-5, 257):
          b = i.to_bytes(2, signed=True)
          self.assertIs(int.from_bytes(b, signed=True), i)
  
imports: import unittest
  from test import support
  import sys
  import random
  import math
  import array
label_desc: Use image node_id 48 for calling the LongTest obj's underlying member method code with example usage: obj.test_from_bytes_small() without return types