Editing MockOutput to send actual generated boat/race/regatta xmls

- Was previously sending from a static source file

#story[778]

visualiser/src/test/java/seng302/Mock/BoatsXMLTest.java

@@ -44,4 +44,5 @@ public class BoatsXMLTest {
         StreamedBoat boat = (StreamedBoat) boatXMLReader.getBoats().get(0);
         assertEquals(boat.getSourceID(), 101);
     }
+
 }