diff --git a/test/Microsoft.AspNet.Authentication.Test/JwtBearer/JwtBearerMiddlewareTests.cs b/test/Microsoft.AspNet.Authentication.Test/JwtBearer/JwtBearerMiddlewareTests.cs
index efaef75e10..4728ef7515 100644
--- a/test/Microsoft.AspNet.Authentication.Test/JwtBearer/JwtBearerMiddlewareTests.cs
+++ b/test/Microsoft.AspNet.Authentication.Test/JwtBearer/JwtBearerMiddlewareTests.cs
@@ -12,6 +12,7 @@ using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Http.Authentication;
 using Microsoft.AspNet.TestHost;
+using Microsoft.AspNet.Testing.xunit;
 using Microsoft.Extensions.DependencyInjection;
 using Xunit;
 
@@ -19,7 +20,9 @@ namespace Microsoft.AspNet.Authentication.JwtBearer
 {
     public class JwtBearerMiddlewareTests
     {
-        [Fact]
+        [ConditionalFact]
+        [FrameworkSkipCondition(RuntimeFrameworks.Mono)]
+        // https://github.com/AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet/issues/179
         public async Task BearerTokenValidation()
         {
             var server = CreateServer(options =>
diff --git a/test/Microsoft.AspNet.Authentication.Test/project.json b/test/Microsoft.AspNet.Authentication.Test/project.json
index 10f0e221a2..7ec802b3ba 100644
--- a/test/Microsoft.AspNet.Authentication.Test/project.json
+++ b/test/Microsoft.AspNet.Authentication.Test/project.json
@@ -12,6 +12,7 @@
     "Microsoft.AspNet.Authentication.Twitter": "1.0.0-*",
     "Microsoft.AspNet.DataProtection": "1.0.0-*",
     "Microsoft.AspNet.TestHost": "1.0.0-*",
+    "Microsoft.AspNet.Testing": "1.0.0-*",
     "Moq": "4.2.1312.1622",
     "xunit.runner.aspnet": "2.0.0-aspnet-*"
   },