code: def test_iand(self, xp, dtype):
      def func(x, y):
          x &= y
  
      return func
  
imports: import unittest
  import numpy
  from cupy import testing
  from cupy_tests.core_tests.fusion_tests import fusion_utils
label_desc: Use image node_id 11 for calling the TestFusionArrayInplaceOperator obj's underlying member method code with example usage: obj.test_iand(xp, dtype) and returns: func