old_contents: import unittest
  
  from cupy import testing
  
  
  @testing.gpu
  class TestKind(unittest.TestCase):
  
      _multiprocess_can_split_ = True
  
      @testing.for_all_dtypes()
      @testing.numpy_cupy_array_equal(type_check=False)
      def test_asfortranarray1(self, xp, dtype):
          x = xp.zeros((2, 3))
          return xp.asfortranarray(x).strides
  
      @testing.for_all_dtypes()
      @testing.numpy_cupy_array_equal(type_check=False)
      def test_asfortranarray2(self, xp, dtype):
          x = xp.zeros((2, 3, 4))
          return xp.asfortranarray(x).strides
  
      @testing.for_all_dtypes()
      @testing.numpy_cupy_array_equal(type_check=False)
      def test_asfortranarray3(self, xp, dtype):
          x = xp.zeros((2, 3, 4))
          return xp.asfortranarray(xp.asfortranarray(x)).strides
  
new_contents: import unittest
  
  from cupy import testing
  
  
  @testing.gpu
  class TestKind(unittest.TestCase):
  
      _multiprocess_can_split_ = True
  
      @testing.for_all_dtypes()
      @testing.numpy_cupy_array_equal(type_check=False)
      def test_asfortranarray1(self, xp, dtype):
          x = xp.zeros((2, 3), dtype)
          ret = xp.asfortranarray(x)
          self.assertTrue(x.flags.c_contiguous)
          self.assertTrue(ret.flags.f_contiguous)
          return ret.strides
  
      @testing.for_all_dtypes()
      @testing.numpy_cupy_array_equal(type_check=False)
      def test_asfortranarray2(self, xp, dtype):
          x = xp.zeros((2, 3, 4), dtype)
          ret = xp.asfortranarray(x)
          self.assertTrue(x.flags.c_contiguous)
          self.assertTrue(ret.flags.f_contiguous)
          return ret.strides
  
      @testing.for_all_dtypes()
      @testing.numpy_cupy_array_equal(type_check=False)
      def test_asfortranarray3(self, xp, dtype):
          x = xp.zeros((2, 3, 4), dtype)
          ret = xp.asfortranarray(xp.asfortranarray(x))
          self.assertTrue(x.flags.c_contiguous)
          self.assertTrue(ret.flags.f_contiguous)
          return ret.strides
  
subject: Improve tests