Trying to adapt test to new UdpNetCat implementation but failed.

It seems like Robolectric problem - ShadowAsyncTask move into undefined state
after cancellation (neither onPostExecute() nor onCancelled() aren't called).

Author: reicru

netcat/src/test/java/com/github/dddpaul/netcat/UdpNetCatTest.java

@@ -77,6 +77,21 @@ public void run()
         // Start NetCat listener
         listen( port );
 
+        // Stop receiving after some delay required for NetCat to receive test data
+        new Thread( new Runnable()
+        {
+            @Override
+            public void run()
+            {
+                try {
+                    Thread.sleep( 1000 );
+                    netCat.cancel();
+                } catch( Exception e ) {
+                    e.printStackTrace();
+                }
+            }
+        } ).start();
+
         receive();
         send();
     }