RFR: 8294038: Remove "Classpath" exception from javax/swing tests

[ScientificWare]

On Tue, 20 Sep 2022 16:34:41 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

> Remove *the "Classpath" exception* from tests in `javax/swing`. The tests should not have it.

Is there an official Copyright License Header for test codes.
Adding `@author` tag is not allowed but what's about copyright mention ?

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PR: https://git.openjdk.org/jdk/pull/10360