test(python): add headModel mock API test for type/model/visibility spec

.chronus/changes/add-visibility-head-model-test-2026-5-4-23-8-9.md

@@ -0,0 +1,7 @@
+---
+changeKind: internal
+packages:
+  - "@typespec/http-client-python"
+---
+
+Add test coverage for `headModel` scenario in `type/model/visibility` spec.

packages/http-client-python/tests/mock_api/shared/asynctests/test_typetest_model_visibility_async.py

@@ -21,6 +21,11 @@ async def test_get_model(client):
     assert result == models.VisibilityModel(read_prop="abc")
 
 
+@pytest.mark.asyncio
+async def test_head_model(client):
+    assert await client.head_model(models.VisibilityModel(), query_prop=123)
+
+
 @pytest.mark.asyncio
 async def test_put_model(client):
     await client.put_model(models.VisibilityModel(create_prop=["foo", "bar"], update_prop=[1, 2]))

packages/http-client-python/tests/mock_api/shared/test_typetest_model_visibility.py

@@ -18,6 +18,10 @@ def test_get_model(client):
     assert result == models.VisibilityModel(read_prop="abc")
 
 
+def test_head_model(client):
+    assert client.head_model(models.VisibilityModel(), query_prop=123)
+
+
 def test_put_model(client):
     client.put_model(models.VisibilityModel(create_prop=["foo", "bar"], update_prop=[1, 2]))