From f624c9aa7b3735f613ae059a26fe180f4155c89c Mon Sep 17 00:00:00 2001
From: "N. Taylor Mullen" <nimullen@microsoft.com>
Date: Mon, 20 Aug 2018 12:01:09 -0700
Subject: [PATCH] Add flaky test logging for
 `CacheTagHelper_VaryByCultureComposesWithOtherVaryByOptions`.

#8281
---
 .../HtmlGenerationWithCultureTest.cs                  | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/HtmlGenerationWithCultureTest.cs b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/HtmlGenerationWithCultureTest.cs
index 9b1d1f5cbe..d028f5ec24 100644
--- a/test/Microsoft.AspNetCore.Mvc.FunctionalTests/HtmlGenerationWithCultureTest.cs
+++ b/test/Microsoft.AspNetCore.Mvc.FunctionalTests/HtmlGenerationWithCultureTest.cs
@@ -6,9 +6,12 @@ using System.Net.Http;
 using System.Threading.Tasks;
 using AngleSharp.Dom;
 using AngleSharp.Dom.Html;
+using AngleSharp.Extensions;
+using AngleSharp.Html;
 using HtmlGenerationWebSite;
 using Microsoft.AspNetCore.Hosting;
 using Xunit;
+using Xunit.Sdk;
 
 namespace Microsoft.AspNetCore.Mvc.FunctionalTests
 {
@@ -149,6 +152,14 @@ namespace Microsoft.AspNetCore.Mvc.FunctionalTests
             // Assert - 3
             Assert.Equal("fr-FR", culture);
             Assert.Equal("14", correlationId);
+
+            if (cachedCorrelationId != "10")
+            {
+                // This is logging to investigate potential flakiness in this test tracked by https://github.com/aspnet/Mvc/issues/8281
+                var documentContent = document.ToHtml(new HtmlMarkupFormatter());
+                throw new XunitException($"Unexpected correlation Id, reading values from document:{Environment.NewLine}{documentContent}");
+            }
+
             Assert.Equal("10", cachedCorrelationId);
 
             void ReadValuesFromDocument()