RFR: 8313613: Use JUnit in langtools/lib tests

[Qing Xiao]

On Tue, 10 Oct 2023 04:48:05 GMT, Christian Stein <cstein at openjdk.org> wrote:

>> Use JUnit Jupiter API in langtools/lib tests instead of TestNG. They are under test/langtools/lib/combo/tools/javac/combo/.
>> Modified tests that extend tools in CompilationTestCase and JavacTemplateTestBase to implement TestWatcher.
>
> test/langtools/lib/combo/tools/javac/combo/JavacTemplateDiagnosticsPrinter.java line 38:
> 
>> 36:  * Class for TestWatcher implementation.
>> 37:  */
>> 38: public class JavacTemplateDiagnosticPrinter extends JavacTemplateTestBase {
> 
> This newly introduced class `JavacTemplateDiagnostic[s]Printer` (including a mismatch in filename and class name) is not used anywhere. Delete it?

I see. Sorry for this mistake. I should have deleted it.

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PR Review Comment: https://git.openjdk.org/jdk/pull/15281#discussion_r1351443463