code: def test_asfarray(self, dtype):
      a = cupy.asarray([1, 2, 3])
      a_gpu = cupy.asfarray(a, dtype)
      a_cpu = numpy.asfarray(a.get(), dtype)
      assert a_cpu.dtype == a_gpu.dtype
  
imports: import unittest
  import pytest
  import numpy
  import cupy
  from cupy import testing
label_desc: Use image node_id 3 for calling the TestKind obj's underlying member method code with example usage: obj.test_asfarray(dtype) without return types