git: openjdk/jdk17u-dev: 8281535: Create a regression test for JDK-4670051

[Goetz Lindenmaier]

Changeset: c2f6e528
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2022-07-21 10:26:57 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/c2f6e5283ea69abbb821884e1e2d78f78c617455

8281535: Create a regression test for JDK-4670051

Backport-of: 0786ddb4712296c90df2c9e97c76c203a4de4612

+ test/jdk/javax/swing/JSpinner/4670051/DateFieldUnderCursorTest.java