Added getUniqueId() to TestOfflinePermissible.

src/bukkit-test/java/com/sk89q/wepif/TestOfflinePermissible.java

@@ -28,13 +28,11 @@ import org.bukkit.permissions.PermissionAttachment;
 import org.bukkit.permissions.PermissionAttachmentInfo;
 import org.bukkit.plugin.Plugin;
 
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
+import java.util.*;
 
 public class TestOfflinePermissible implements OfflinePlayer, Permissible {
     private boolean op;
+    private UUID randomUuid = UUID.randomUUID();
     
     private final Map<String, Boolean> assignedPermissions = new HashMap<String, Boolean>();
 
@@ -119,6 +117,10 @@ public class TestOfflinePermissible implements OfflinePlayer, Permissible {
         return "Tester";
     }
 
+    public UUID getUniqueId() {
+        return randomUuid;
+    }
+
     public boolean isBanned() {
         throw new UnsupportedOperationException("Not supported yet.");
     }