A batch a trivial fixes to ProblemList tests: [JDK-8298976](https://bugs.openjdk.org/browse/JDK-8298976) ProblemList java/util/concurrent/ExecutorService/CloseTest.java on macosx-aarch64 [JDK-8298977](https://bugs.openjdk.org/browse/JDK-8298977) ProblemList vmTestbase/nsk/stress/strace/strace002.java on 2 platforms [JDK-8298978](https://bugs.openjdk.org/browse/JDK-8298978) ProblemList vmTestbase/nsk/stress/strace/strace003.java on 2 platforms
------------- Commit messages: - 8298978: ProblemList vmTestbase/nsk/stress/strace/strace003.java on 2 platforms - 8298977: ProblemList vmTestbase/nsk/stress/strace/strace002.java on 2 platforms - 8298976: ProblemList java/util/concurrent/ExecutorService/CloseTest.java on macosx-aarch64 Changes: https://git.openjdk.org/jdk20/pull/50/files Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=50&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8298976 Stats: 3 lines in 2 files changed: 3 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk20/pull/50.diff Fetch: git fetch https://git.openjdk.org/jdk20 pull/50/head:pull/50 PR: https://git.openjdk.org/jdk20/pull/50
