RFR: 8341399: Add since checker tests to the langtools modules

[Chen Liang]

On Wed, 16 Oct 2024 16:23:41 GMT, Nizar Benalla <nbenalla at openjdk.org> wrote:

> Can I get a review for this patch that adds `@since` checker tests to the following modules: java.compiler, jdk.compiler, jdk.javadoc and jdk.jdeps. The initial test for `java.base` has been integrated in [JDK-8331051](https://bugs.openjdk.org/browse/JDK-8331051). 
> 
> The jtreg comments are almost the same as the ones for the `java.base` test, only the Bug ID and the module name being passed to the test are different.
> 
> I've made a small change to `test/jdk/TEST.groups` to include the new tests.
> 
> Here are the emails  [[1](https://mail.openjdk.org/pipermail/jdk-dev/2024-June/009160.html)] [[2](https://mail.openjdk.org/pipermail/jdk-dev/2024-October/009474.html)] in `jdk-dev` describing how the tests work and how to run them.
> 
> TIA

test/jdk/tools/sincechecker/jdk_compiler/CheckSince_jdkCompiler.java line 27:

> 25:  * @test
> 26:  * @bug 8341399
> 27:  * @summary Test for `@since` for java.base module

You forgot to change the summaries but remembered to change the `@run` directives. Curious!

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PR Review Comment: https://git.openjdk.org/jdk/pull/21542#discussion_r1825957173