code: def test_decomposition(self):
      self.assertEqual(self.db.decomposition("\uFFFE"), "")
      self.assertEqual(
          self.db.decomposition("\u00bc"), "<fraction> 0031 2044 0034"
      )
  
      self.assertRaises(TypeError, self.db.decomposition)
      self.assertRaises(TypeError, self.db.decomposition, "xx")
  
imports: import hashlib
  from http.client import HTTPException
  import sys
  import unicodedata
  import unittest
  from test.support import open_urlresource, requires_resource, script_helper, cpython_only, check_disallow_instantiation
label_desc: Use image node_id 10 for calling the UnicodeFunctionsTest obj's underlying member method code with example usage: obj.test_decomposition() without return types