added one more test

tests/test_response.py

@@ -63,8 +63,12 @@ def json_app():
     async def test(request):
         return json(JSON_DATA)
 
+    @app.get("/no-content")
+    async def no_content_handler(request):
+        return json(JSON_DATA, status=204)
+
     @app.delete("/")
-    async def test_delete(request):
+    async def delete_handler(request):
         return json(None, status=204)
 
     return app
@@ -79,6 +83,11 @@ def test_json_response(json_app):
 
 
 def test_no_content(json_app):
+    request, response = json_app.test_client.get('/no-content')
+    assert response.status == 204
+    assert response.text == ''
+    assert response.headers['Content-Length'] == '0'
+
     request, response = json_app.test_client.delete('/')
     assert response.status == 204
     assert response.text == ''