code: def test_outarg_mixed(self, xp, dtype):
      def func(x, y, z, u, v):
          xp.add(x, y, out=z)
          xp.subtract(z, x, out=u)
          xp.multiply(z, x, out=v)
          return u
  
      return func
  
imports: import threading
  import unittest
  from unittest import mock
  import pytest
  import cupy
  from cupy import testing
  from cupy_tests.core_tests.fusion_tests import fusion_utils
label_desc: Use image node_id 1 for calling the TestFusionInplaceUpdate obj's underlying member method code with example usage: obj.test_outarg_mixed(xp, dtype) and returns: func, u