diff --git a/src/Microsoft.AspNetCore.Server.IntegrationTesting.IIS/IISExpressDeployer.cs b/src/Microsoft.AspNetCore.Server.IntegrationTesting.IIS/IISExpressDeployer.cs
index 8139a0f6b9..8fe8c66585 100644
--- a/src/Microsoft.AspNetCore.Server.IntegrationTesting.IIS/IISExpressDeployer.cs
+++ b/src/Microsoft.AspNetCore.Server.IntegrationTesting.IIS/IISExpressDeployer.cs
@@ -293,7 +293,8 @@ namespace Microsoft.AspNetCore.Server.IntegrationTesting.IIS
 
             ConfigureModuleAndBinding(config.Root, contentRoot, port);
 
-            if (!DeploymentParameters.PublishApplicationBeforeDeployment)
+            var webConfigPath = Path.Combine(contentRoot, "web.config");
+            if (!DeploymentParameters.PublishApplicationBeforeDeployment && !File.Exists(webConfigPath))
             {
                 // The elements normally in the web.config are in the applicationhost.config for unpublished apps.
                 AddAspNetCoreElement(config.Root);
diff --git a/test/Common.FunctionalTests/OutOfProcess/HelloWorldTest.cs b/test/Common.FunctionalTests/OutOfProcess/HelloWorldTest.cs
index 3f748f2314..edfd603e4c 100644
--- a/test/Common.FunctionalTests/OutOfProcess/HelloWorldTest.cs
+++ b/test/Common.FunctionalTests/OutOfProcess/HelloWorldTest.cs
@@ -66,7 +66,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
             response = await deploymentResult.HttpClient.GetAsync("/Auth");
             responseText = await response.Content.ReadAsStringAsync();
 
-            Assert.True("backcompat;Windows".Equals(responseText) || "latest;null".Equals(responseText), "Auth");
+            Assert.True("null".Equals(responseText), "Auth");
 
             Assert.Equal(
                 $"ContentRootPath {deploymentResult.ContentRoot}" + Environment.NewLine +
diff --git a/test/IISExpress.FunctionalTests/OutOfProcess/WindowsAuthTests.cs b/test/IISExpress.FunctionalTests/WindowsAuthTests.cs
similarity index 91%
rename from test/IISExpress.FunctionalTests/OutOfProcess/WindowsAuthTests.cs
rename to test/IISExpress.FunctionalTests/WindowsAuthTests.cs
index b46b314d08..3720385d4c 100644
--- a/test/IISExpress.FunctionalTests/OutOfProcess/WindowsAuthTests.cs
+++ b/test/IISExpress.FunctionalTests/WindowsAuthTests.cs
@@ -26,7 +26,8 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
             => TestMatrix.ForServers(DeployerSelector.ServerType)
                 .WithTfms(Tfm.NetCoreApp22, Tfm.Net461)
                 .WithAllApplicationTypes()
-                .WithAllAncmVersions();
+                .WithAllAncmVersions()
+                .WithAllHostingModels();
 
         [ConditionalTheory]
         [MemberData(nameof(TestVariants))]
@@ -41,7 +42,7 @@ namespace Microsoft.AspNetCore.Server.IISIntegration.FunctionalTests
             var response = await deploymentResult.HttpClient.GetAsync("/Auth");
             var responseText = await response.Content.ReadAsStringAsync();
 
-            Assert.True("backcompat;Windows".Equals(responseText) || "latest;Windows".Equals(responseText), "Auth");
+            Assert.Equal("Windows", responseText);
         }
     }
 }
diff --git a/test/WebSites/OutOfProcessWebSite/Startup.cs b/test/WebSites/OutOfProcessWebSite/Startup.cs
index 2547eb5735..a796f9a7a3 100644
--- a/test/WebSites/OutOfProcessWebSite/Startup.cs
+++ b/test/WebSites/OutOfProcessWebSite/Startup.cs
@@ -36,20 +36,6 @@ namespace TestSite
 
         public Task BodyLimit(HttpContext ctx) => ctx.Response.WriteAsync(ctx.Features.Get<IHttpMaxRequestBodySizeFeature>()?.MaxRequestBodySize?.ToString() ?? "null");
 
-        public async Task Auth(HttpContext ctx)
-        {
-            var iisAuth = Environment.GetEnvironmentVariable("ASPNETCORE_IIS_HTTPAUTH");
-            var authProvider = ctx.RequestServices.GetService<IAuthenticationSchemeProvider>();
-            var authScheme = (await authProvider.GetAllSchemesAsync()).SingleOrDefault();
-            if (string.IsNullOrEmpty(iisAuth))
-            {
-                await ctx.Response.WriteAsync("backcompat;" + (authScheme?.Name ?? "null"));
-            }
-            else
-            {
-                await ctx.Response.WriteAsync("latest;" + (authScheme?.Name ?? "null"));
-            }
-        }
 
         public Task HelloWorld(HttpContext ctx) => ctx.Response.WriteAsync("Hello World");
 
diff --git a/test/WebSites/shared/SharedStartup/Startup.shared.cs b/test/WebSites/shared/SharedStartup/Startup.shared.cs
index eef8f8bf7e..a804449029 100644
--- a/test/WebSites/shared/SharedStartup/Startup.shared.cs
+++ b/test/WebSites/shared/SharedStartup/Startup.shared.cs
@@ -2,7 +2,9 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
+using System.Linq;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
@@ -33,5 +35,13 @@ namespace TestSite
 
             await ctx.Response.WriteAsync("Hello World");
         }
+
+        public async Task Auth(HttpContext ctx)
+        {
+            var authProvider = ctx.RequestServices.GetService<IAuthenticationSchemeProvider>();
+            var authScheme = (await authProvider.GetAllSchemesAsync()).SingleOrDefault();
+
+            await ctx.Response.WriteAsync(authScheme?.Name ?? "null");
+        }
     }
 }