test/hotspot/jtreg/gc/logging/TestMetaSpaceLog.java

8217389: JTREG: Clean up, remove unused variable warnings

*** 25,35 ****
  package gc.logging;
  
  import java.io.File;
  import java.net.URL;
  import java.net.URLClassLoader;
- import java.util.function.Predicate;
  import java.util.regex.Pattern;
  import java.util.regex.Matcher;
  
  import jdk.test.lib.Asserts;
  import jdk.test.lib.process.OutputAnalyzer;
--- 25,34 ----
***************
*** 65,76 ****
      testMetaSpaceUpdate("UseConcMarkSweepGC");
      testMetaSpaceUpdate("UseSerialGC");
    }
  
    private static void verifyContainsMetaSpaceUpdate(OutputAnalyzer output) {
-     Predicate<String> collectedMetaSpace = line -> check(line);
- 
      // At least one metaspace line from GC should show GC being collected.
      boolean foundCollectedMetaSpace = output.asLines().stream()
          .filter(s -> s.contains("[gc,metaspace"))
          .anyMatch(TestMetaSpaceLog::check);
      Asserts.assertTrue(foundCollectedMetaSpace);
--- 64,73 ----