Fix missing cors middleware exception message (#17892)

* Fix missing cors middleware exception message

* Update unit test expected error message

* Update integration test expected error message

src/Http/Routing/src/EndpointMiddleware.cs

@@ -98,7 +98,7 @@ namespace Microsoft.AspNetCore.Routing
             throw new InvalidOperationException($"Endpoint {endpoint.DisplayName} contains CORS metadata, " +
                 "but a middleware was not found that supports CORS." +
                 Environment.NewLine +
-                "Configure your application startup by adding app.UseCors() inside the call to Configure(..) in the application startup code. The call to app.UseAuthorization() must appear between app.UseRouting() and app.UseEndpoints(...).");
+                "Configure your application startup by adding app.UseCors() inside the call to Configure(..) in the application startup code. The call to app.UseCors() must appear between app.UseRouting() and app.UseEndpoints(...).");
         }
 
         private static class Log

src/Http/Routing/test/FunctionalTests/EndpointRoutingIntegrationTest.cs

@@ -25,7 +25,7 @@ namespace Microsoft.AspNetCore.Routing.FunctionalTests
         private static readonly string CORSErrorMessage = "Endpoint / contains CORS metadata, but a middleware was not found that supports CORS." +
             Environment.NewLine +
             "Configure your application startup by adding app.UseCors() inside the call to Configure(..) in the application startup code. " +
-            "The call to app.UseAuthorization() must appear between app.UseRouting() and app.UseEndpoints(...).";
+            "The call to app.UseCors() must appear between app.UseRouting() and app.UseEndpoints(...).";
 
         [Fact]
         public async Task AuthorizationMiddleware_WhenNoAuthMetadataIsConfigured()

src/Http/Routing/test/UnitTests/EndpointMiddlewareTest.cs

@@ -199,7 +199,7 @@ namespace Microsoft.AspNetCore.Routing
             var expected = "Endpoint Test contains CORS metadata, but a middleware was not found that supports CORS." +
                 Environment.NewLine +
                 "Configure your application startup by adding app.UseCors() inside the call to Configure(..) in the application startup code. " +
-                "The call to app.UseAuthorization() must appear between app.UseRouting() and app.UseEndpoints(...).";
+                "The call to app.UseCors() must appear between app.UseRouting() and app.UseEndpoints(...).";
             var httpContext = new DefaultHttpContext
             {
                 RequestServices = new ServiceProvider()