tests: Add resource pack methods

worldedit-bukkit/src/test/java/com/fastasyncworldedit/util/StubServer.java

@@ -155,6 +155,26 @@ public class StubServer implements Server {
         return false;
     }
 
+    @Override
+    public @NotNull String getResourcePack() {
+        return null;
+    }
+
+    @Override
+    public @NotNull String getResourcePackHash() {
+        return null;
+    }
+
+    @Override
+    public @NotNull String getResourcePackPrompt() {
+        return null;
+    }
+
+    @Override
+    public boolean isResourcePackRequired() {
+        return false;
+    }
+
     @Override
     public boolean hasWhitelist() {
         return false;