Enable third party tests

Author: antonwolfy

dpnp/tests/third_party/cupy/core_tests/test_ndarray.py

@@ -653,21 +653,18 @@ def test_size_zero_dim_array_with_axis(self):
 
 class TestPythonInterface(unittest.TestCase):
 
-    @pytest.mark.skip("__bytes__ is not supported")
     @testing.for_all_dtypes()
     @testing.numpy_cupy_equal()
     def test_bytes_tobytes(self, xp, dtype):
         x = testing.shaped_arange((3, 4, 5), xp, dtype)
         return bytes(x)
 
-    @pytest.mark.skip("__bytes__ is not supported")
     @testing.for_all_dtypes()
     @testing.numpy_cupy_equal()
     def test_bytes_tobytes_empty(self, xp, dtype):
         x = xp.empty((0,), dtype)
         return bytes(x)
 
-    @pytest.mark.skip("__bytes__ is not supported")
     @testing.for_all_dtypes()
     @testing.numpy_cupy_equal()
     def test_bytes_tobytes_empty2(self, xp, dtype):
@@ -678,7 +675,6 @@ def test_bytes_tobytes_empty2(self, xp, dtype):
     # if scalar is of an integer dtype including bool_. It's spec is
     # bytes(int): bytes object of size given by the parameter initialized with
     # null bytes.
-    @pytest.mark.skip("__bytes__ is not supported")
     @testing.for_float_dtypes()
     @testing.numpy_cupy_equal()
     def test_bytes_tobytes_scalar_array(self, xp, dtype):