test/jdk/java/util/logging/LogManager/Configuration/rootLoggerHandlers/BadRootLoggerHandlers.java

8196768: RootLoggerHandlers fails when source tree is read-only
Reviewed-by: dfuchs

*** 130,139 ****
--- 130,140 ----
          if (test == TESTS.CUSTOM) {
              System.setProperty("java.util.logging.manager", CustomLogManager.class.getName());
          }
  
          Files.copy(initialProps, loggingProps, StandardCopyOption.REPLACE_EXISTING);
+         loggingProps.toFile().setWritable(true);
  
          SystemErr err = new SystemErr(System.err);
          System.setErr(new PrintStream(err));
  
          System.out.println("Root level is: " + Logger.getLogger("").getLevel());