diff --git a/src/test/java/net/minestom/server/api/TestConnection.java b/src/test/java/net/minestom/server/api/TestConnection.java
index 21519039a..db954bff1 100644
--- a/src/test/java/net/minestom/server/api/TestConnection.java
+++ b/src/test/java/net/minestom/server/api/TestConnection.java
@@ -8,6 +8,7 @@ import org.jetbrains.annotations.NotNull;
 
 import java.util.List;
 import java.util.concurrent.CompletableFuture;
+import java.util.function.Consumer;
 
 public interface TestConnection {
     @NotNull CompletableFuture<@NotNull Player> connect(@NotNull Instance instance, @NotNull Pos pos);
@@ -16,5 +17,7 @@ public interface TestConnection {
 
     interface PacketTracker<T> {
         @NotNull List<@NotNull T> collect();
+
+        <P extends T> void assertSingle(Class<P> packetType, Consumer<P> consumer);
     }
 }
diff --git a/src/test/java/net/minestom/server/api/TestConnectionImpl.java b/src/test/java/net/minestom/server/api/TestConnectionImpl.java
index 0554c6126..9faacf13c 100644
--- a/src/test/java/net/minestom/server/api/TestConnectionImpl.java
+++ b/src/test/java/net/minestom/server/api/TestConnectionImpl.java
@@ -18,6 +18,10 @@ import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Consumer;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertInstanceOf;
 
 final class TestConnectionImpl implements TestConnection {
     private final Env env;
@@ -93,5 +97,14 @@ final class TestConnectionImpl implements TestConnection {
             incomingTrackers.remove(this);
             return List.copyOf(packets);
         }
+
+        @Override
+        public <P extends T> void assertSingle(Class<P> packetType, Consumer<P> consumer) {
+            var packets = collect();
+            assertEquals(1, packets.size(), "Expected 1 packet, got " + packets);
+            var packet = packets.get(0);
+            assertInstanceOf(packetType, packet, "Expected packet of type " + packetType.getSimpleName() + ", got " + packet.getClass().getSimpleName());
+            consumer.accept((P) packet);
+        }
     }
 }
diff --git a/src/test/java/net/minestom/server/entity/EntityTeleportIntegrationTest.java b/src/test/java/net/minestom/server/entity/EntityTeleportIntegrationTest.java
index 5428b6b15..d909e396d 100644
--- a/src/test/java/net/minestom/server/entity/EntityTeleportIntegrationTest.java
+++ b/src/test/java/net/minestom/server/entity/EntityTeleportIntegrationTest.java
@@ -55,21 +55,13 @@ public class EntityTeleportIntegrationTest {
         assertEquals(teleportPosition, player.getPosition());
 
         // Verify received packet(s)
-        {
-            var packets = tracker.collect();
-            assertEquals(1, packets.size());
-            var packet = ((PlayerPositionAndLookPacket) packets.get(0));
-            assertEquals(teleportPosition, packet.position());
-        }
-
+        tracker.assertSingle(PlayerPositionAndLookPacket.class,
+                packet -> assertEquals(teleportPosition, packet.position()));
         // Verify broadcast packet(s)
-        {
-            var packets = viewerTracker.collect();
-            assertEquals(1, packets.size());
-            var packet = ((EntityTeleportPacket) packets.get(0));
+        viewerTracker.assertSingle(EntityTeleportPacket.class, packet -> {
             assertEquals(player.getEntityId(), packet.entityId());
             assertEquals(teleportPosition, packet.position());
-        }
+        });
     }
 
     @Test