diff --git a/tests/components/websocket_api/test_decorators.py b/tests/components/websocket_api/test_decorators.py
index 3e9c13a8b15..0be50ff6b29 100644
--- a/tests/components/websocket_api/test_decorators.py
+++ b/tests/components/websocket_api/test_decorators.py
@@ -1,5 +1,7 @@
 """Test decorators."""
 
+import voluptuous as vol
+
 from homeassistant.components import http, websocket_api
 from homeassistant.core import HomeAssistant
 
@@ -31,9 +33,16 @@ async def test_async_response_request_context(
     def get_request(hass, connection, msg):
         handle_request(http.current_request.get(), connection, msg)
 
+    @websocket_api.websocket_command(
+        {"type": "test-get-request-with-arg", vol.Required("arg"): str}
+    )
+    def get_with_arg_request(hass, connection, msg):
+        handle_request(http.current_request.get(), connection, msg)
+
     websocket_api.async_register_command(hass, executor_get_request)
     websocket_api.async_register_command(hass, async_get_request)
     websocket_api.async_register_command(hass, get_request)
+    websocket_api.async_register_command(hass, get_with_arg_request)
 
     await websocket_client.send_json(
         {
@@ -71,6 +80,48 @@ async def test_async_response_request_context(
     assert not msg["success"]
     assert msg["error"]["code"] == "not_found"
 
+    await websocket_client.send_json(
+        {
+            "id": 8,
+            "type": "test-get-request-with-arg",
+        }
+    )
+
+    msg = await websocket_client.receive_json()
+    assert msg["id"] == 8
+    assert not msg["success"]
+    assert msg["error"]["code"] == "invalid_format"
+    assert (
+        msg["error"]["message"] == "required key not provided @ data['arg']. Got None"
+    )
+
+    await websocket_client.send_json(
+        {
+            "id": 9,
+            "type": "test-get-request-with-arg",
+            "arg": "dog",
+        }
+    )
+
+    msg = await websocket_client.receive_json()
+    assert msg["id"] == 9
+    assert msg["success"]
+    assert msg["result"] == "/api/websocket"
+
+    await websocket_client.send_json(
+        {
+            "id": -1,
+            "type": "test-get-request-with-arg",
+            "arg": "dog",
+        }
+    )
+
+    msg = await websocket_client.receive_json()
+    assert msg["id"] == -1
+    assert not msg["success"]
+    assert msg["error"]["code"] == "invalid_format"
+    assert msg["error"]["message"] == "Message incorrectly formatted."
+
 
 async def test_supervisor_only(hass: HomeAssistant, websocket_client) -> None:
     """Test that only the Supervisor can make requests."""