none');
}, 'Computed value for `text-combine-upright: digits calc(2e0 * 2e+0)` is `none`');

test(function () {
  assert_equals(getComputedValueFor('invalid_digits_calc_2_e_2_times_2_e_negative2'), 'none');
}, 'Computed value for `text-combine-upright: digits calc(2e2 * 2e-2)` is `none`');

test(function () {
  assert_equals(getComputedValueFor('invalid_digits_calc_4_e_positive2_dividedby_positive2_e_2'), 'none');
}, 'Computed value for `text-combine-upright: digits calc(4e+2 / +2e2)` is `none`');
</script>