RFR: 8304014: Convert test/jdk/java/util/zip/ZipFile/CorruptedZipFiles.java to junit [v6]

[Eirik Bjorsnos]

On Fri, 31 Mar 2023 19:59:10 GMT, Eirik Bjorsnos <duke at openjdk.org> wrote:

>> CorruptedZipFiles could benefit from some spring cleaning and a conversion to junit:
>> 
>> - The actual tests are moved into their own `@Test` methods, given more meaningful names and a Javadoc comment explaining the constraint being verified
>> - The setup code is moved to a `@Before` method, slightly modernized and rewritten to take advantage of `assertEquals` 
>> - `checkZipExceptionImpl` is updated to take advantage of `assertThrows`
>> - A bunch of constants copied over from `ZipFile` can be deleted since JDK-6225935 has long been fixed
>
> Eirik Bjorsnos has updated the pull request incrementally with four additional commits since the last revision:
> 
>  - Remove the "Validate that " comment prefix
>  - Spell immediately correctly
>  - a A -> a
>  - this -> the

Updated the `excessiveCENOffset` comment to say just _A ZipException is thrown when the 'End of Central Directory'(END) header has a CEN offset with an invalid value_.

-------------

PR Comment: https://git.openjdk.org/jdk/pull/12563#issuecomment-1494337042