RFR: 8256154: Some TestNG tests require default constructors

[Daniel Fuchs]

On Thu, 19 Nov 2020 13:50:30 GMT, Conor Cleary <ccleary at openjdk.org> wrote:

> In TestNG 7, it is a requirement that TestNG is able to create a Test object using a default constructor. 
> 
> This simple fix addresses two such classes so that this requirement is satisfied by inserting default construtors. Example: `public GetPackages() { ... }`
> 
> test/jdk/java/lang/Package/GetPackages.java
> test/jdk/java/lang/StackWalker/Basic.java

Thanks Conor! LGTM then.

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Marked as reviewed by dfuchs (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/1317