RFR: 8335150: Test LogGeneratedClassesTest.java fails on rpmbuild mock enviroment [v3]

[SendaoYan]

> Hi all,
> Test `test/jdk/java/lang/invoke/lambda/LogGeneratedClassesTest.java` fails on rpm build mock environment. The `df -h` command return fail `df: cannot read table of mounted file systems: No such file or directory` on the rpm build mock environment also. I think it's a environmental issue, and the environmental issue should not cause the test fails, it should skip the test.
> 
> Only change the testcase, the change has been verified locally, no risk.

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

  1. Just catch the IOException here when getting the FileStore and skip the test instead of checking for specific exception messages. 2. Throw a org.testng.SkipException instead print and return

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Changes:
  - all: https://git.openjdk.org/jdk/pull/19905/files
  - new: https://git.openjdk.org/jdk/pull/19905/files/8931debe..9c7946f8

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19905&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19905&range=01-02

  Stats: 17 lines in 1 file changed: 1 ins; 11 del; 5 mod
  Patch: https://git.openjdk.org/jdk/pull/19905.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19905/head:pull/19905

PR: https://git.openjdk.org/jdk/pull/19905