RFR: 8354327: Rewrite runtime/LoadClass/LoadClassNegative.java [v2]

[Anton Artemov]

> Rewrote the test  runtime/LoadClass/LoadClassNegative so that it creates a dummy jar file on the fly and then removes it. Previously existing dummy.jar removed.

Anton Artemov has updated the pull request incrementally with one additional commit since the last revision:

  8354327: Renamed the empty jar file.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/24688/files
  - new: https://git.openjdk.org/jdk/pull/24688/files/27339bf4..08719060

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24688&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24688&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/24688.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24688/head:pull/24688

PR: https://git.openjdk.org/jdk/pull/24688