Not sure why CI flipped out, reverting back to 2s

src/main/java/weka/finito/client.java

@@ -417,7 +417,7 @@ public void run() {
  hashed_classification.put(hash(aClass), aClass);
  }
  // Make sure level-sites got everything...
- Thread.sleep(2500);
+ Thread.sleep(2000);
  }
  else {
  System.out.println("Not contacting server-site. Seems you just want to test on the" +