diff --git a/paper-api/src/test/java/org/bukkit/plugin/messaging/TestPlayer.java b/paper-api/src/test/java/org/bukkit/plugin/messaging/TestPlayer.java
index d812f5a7b..94199465d 100644
--- a/paper-api/src/test/java/org/bukkit/plugin/messaging/TestPlayer.java
+++ b/paper-api/src/test/java/org/bukkit/plugin/messaging/TestPlayer.java
@@ -744,4 +744,8 @@ public class TestPlayer implements Player {
     public void abandonConversation(Conversation conversation, ConversationAbandonedEvent details) {
         throw new UnsupportedOperationException("Not supported yet.");
     }
+
+    public boolean isBlocking() {
+        throw new UnsupportedOperationException("Not supported yet.");
+    }
 }