test: rmi: Wait for up to 5 seconds instead of 500ms

testRemoteShutdownNotAllowed may erroneously fail on a busy machine.

junixsocket-rmi/src/test/java/org/newsclub/net/unix/rmi/RemoteRegistryTest.java

@@ -141,24 +141,24 @@ protected int shutdownAfterSecs() {
         assertThrows(ServerException.class, () -> sra.getRegistry().getNaming().shutdownRegistry());
 
         sra.shutdownAndWait(false);
-        if (!awaitNoRMIFiles(socketDir, 5)) {
+        if (!awaitNoRMIFiles(socketDir)) {
           sra.shutdownAndWait(true);
         }
       } catch (Exception e) {
         throw e;
       }
 
-      assertTrue(awaitNoRMIFiles(socketDir, 5), "There shouldn't be any RMI socket files in "
+      assertTrue(awaitNoRMIFiles(socketDir), "There shouldn't be any RMI socket files in "
           + socketDir);
     } finally {
       assertTrue(deleteDirectory(socketDir), "Should be able to delete temporary directory: "
           + socketDir);
     }
   }
 
-  private boolean awaitNoRMIFiles(File socketDir, int loops) throws InterruptedException {
+  private boolean awaitNoRMIFiles(File socketDir) throws InterruptedException {
     int count = 0;
-    for (int i = 0; i < loops; i++) {
+    for (int i = 0; i < 50; i++) {
       count = countRMIFiles(socketDir);
       if (count == 0) {
         return true;