Integrated: Fix nullability signature attr tests

[Vicente Romero]

On Mon, 12 Jan 2026 19:03:13 GMT, Vicente Romero <vromero at openjdk.org> wrote:

> fixing regression tests related to signatures with null restricted elements

This pull request has now been integrated.

Changeset: ce62d388
Author:    Vicente Romero <vromero at openjdk.org>
URL:       https://git.openjdk.org/valhalla/commit/ce62d388a06e6f5d6f27be0c5aff2607b74e2a56
Stats:     279 lines in 1 file changed: 3 ins; 237 del; 39 mod

Fix nullability signature attr tests

Reviewed-by: mcimadamore

-------------

PR: https://git.openjdk.org/valhalla/pull/1887