enable ndarray.diagonal tests

Author: Alexander-Makaryev

tests/skipped_tests.tbl

@@ -239,8 +239,6 @@ tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAn
 tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_astype_strides_swapped
 tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_astype_type_c_contiguous_no_copy
 tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_astype_type_f_contiguous_no_copy
-tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_diagonal1
-tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_diagonal2
 tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_transposed_fill
 tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_transposed_flatten
 tests/third_party/cupy/core_tests/test_ndarray_copy_and_view.py::TestArrayCopyAndView::test_fill_with_numpy_nonscalar_ndarray