Used ExpectedError instead of Exception to tell that the failure is expected obviously

src/test/java/org/jboss/netty/channel/CompleteChannelFutureTest.java

@@ -68,7 +68,7 @@ public class CompleteChannelFutureTest {
         ChannelFutureListener l = new ChannelFutureListener() {
             public void operationComplete(ChannelFuture future)
                     throws Exception {
-                throw new Exception();
+                throw new ExpectedError();
             }
         };
 
@@ -112,4 +112,12 @@ public class CompleteChannelFutureTest {
             throw new Error();
         }
     }
+    
+    private static class ExpectedError extends Error {
+        private static final long serialVersionUID = 7059276744882005047L;
+
+        ExpectedError() {
+            super();
+        }
+    }
 }