diff --git a/tests/unit/test_commands.py b/tests/unit/test_commands.py
index 53bd698a..e651077b 100644
--- a/tests/unit/test_commands.py
+++ b/tests/unit/test_commands.py
@@ -291,6 +291,18 @@ async def sub(_, *, string: str) -> None:
 
 @pytest.mark.asyncio
 async def test_group_commands() -> None:
+    @commands.group
+    async def foo(_):
+        ...
+
+    assert isinstance(foo, commands.Group)
+
+    @foo.command
+    async def bar(_):
+        ...
+
+    assert isinstance(bar, commands.Command)
+
     async with TheTestBot() as bot:
         cmd = None