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

Reviewed-by: dcubed

Author: coleenp

test/hotspot/jtreg/runtime/cds/appcds/dynamicArchive/DynamicSharedSymbols.java

@@ -90,7 +90,8 @@ private static void doTest(String topArchiveName) throws Exception {
         ProcessBuilder pb = new ProcessBuilder();
         pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), Long.toString(pid), "VM.symboltable", "-verbose"});
         OutputAnalyzer output = CDSTestUtils.executeAndLog(pb, "jcmd-symboltable");
-        output.shouldContain("17 2: jdk/test/lib/apps\n");
+        output.shouldContain("17 3: jdk/test/lib/apps\n");  // 3 because a TempSymbol will be found in the TempSymbolCleanupDelayer queue.
+                   // Note: we might want to drain the queue before CDS dumps but this is correct for now, unless the queue length changes.
         output.shouldContain("Dynamic shared symbols:\n");
         output.shouldContain("5 65535: Hello\n");