add functional test for ordering scenarios

src/Services/Ordering/Ordering.FunctionalTests/OrderingScenarioBase.cs

@@ -50,6 +50,7 @@ public class OrderingScenarioBase
     {
         public static string CancelOrder = "api/v1/orders/cancel";
         public static string ShipOrder = "api/v1/orders/ship";
+        public static string CompleteOrder = "api/v1/orders/complete";
     }
 
     private class AuthStartupFilter : IStartupFilter

src/Services/Ordering/Ordering.FunctionalTests/OrderingScenarios.cs

@@ -48,6 +48,21 @@ namespace Ordering.FunctionalTests
             Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
         }
 
+        [Fact]
+        public async Task Complete_order_no_order_created_bad_request_response()
+        {
+            using var server = CreateServer();
+
+            var content = new StringContent(BuildOrder(), UTF8Encoding.UTF8, "application/json")
+            {
+                Headers = { { "x-requestid", Guid.NewGuid().ToString() } }
+            };
+            
+            var response = await server.CreateClient().PutAsync(Put.CompleteOrder, content);
+
+            Assert.Equal(HttpStatusCode.BadRequest, response.StatusCode);
+        }
+
         string BuildOrder()
         {
             var order = new