RFR: 8321276: runtime/cds/appcds/dynamicArchive/DynamicSharedSymbols.java failed with "'17 2: jdk/test/lib/apps ' missing from stdout/stderr" [v2]

[Coleen Phillimore]

> Please review this trivial change to fix the test to expect that the TempSymbol refcount is 1 more than expected.  The symbol is cached in [JDK-8315559](https://bugs.openjdk.org/browse/JDK-8315559) Delay TempSymbol cleanup to avoid symbol table churn.
> 
> A late change in the review removed draining the queue periodically, which caused this test failure.
> Tested locally.

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

  Added punctuation and fixed typo, thanks Dan.

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/16954/files
  - new: https://git.openjdk.org/jdk/pull/16954/files/8cb838fb..45a5b370

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=16954&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=16954&range=00-01

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/16954.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/16954/head:pull/16954

PR: https://git.openjdk.org/jdk/pull/16954