RFR: 8304020: Speed up test/jdk/java/util/zip/ZipFile/TestTooManyEntries.java and clarify its purpose [v3]

[Eirik Bjorsnos]

On Mon, 30 Oct 2023 14:29:41 GMT, Lance Andersen <lancea at openjdk.org> wrote:

> > > I think the changes look good overall. Thank you for this. I am not sure that the `@requires` is needed at this point.
> > 
> > 
> > Was the `@requires (sun.arch.data.model == "64")` added to satisfy the 8GB memory requirement? If so, I guess we can safely remove the requires tag, even though the test still creates a ~2GB sparse file?
> 
> We would have to run across all of the mach5 platforms to verify. You could remove it for now and we go from here

FWIW, this test ran successfully on `linux-x86` on Github Actions (which is 32 bit?):


TEST: java/util/zip/ZipFile/CenSizeTooLarge.java
  build: 0.059 seconds
  compile: 0.059 seconds
  junit: 2.437 seconds
TEST RESULT: Passed. Execution successful

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PR Comment: https://git.openjdk.org/jdk/pull/12991#issuecomment-1801937743