diff --git a/test/Microsoft.AspNetCore.Razor.Runtime.Test/project.json b/test/Microsoft.AspNetCore.Razor.Runtime.Test/project.json
index 95dc23559f..9eb2dfdd4e 100644
--- a/test/Microsoft.AspNetCore.Razor.Runtime.Test/project.json
+++ b/test/Microsoft.AspNetCore.Razor.Runtime.Test/project.json
@@ -12,7 +12,8 @@
     },
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
     "Microsoft.Extensions.WebEncoders": "1.0.0-*",
-    "xunit": "2.1.0"
+    "xunit": "2.1.0",
+    "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
   "commands": {
@@ -30,6 +31,7 @@
       }
     },
     "dnxcore50": {
+      "imports": "portable-net45+win8",
       "dependencies": {
         "xunit.runner.aspnet": "2.0.0-aspnet-*",
         "Microsoft.Extensions.HashCodeCombiner.Sources": {
diff --git a/test/Microsoft.AspNetCore.Razor.Test/project.json b/test/Microsoft.AspNetCore.Razor.Test/project.json
index 8a2e92dcd7..e8ce23c868 100644
--- a/test/Microsoft.AspNetCore.Razor.Test/project.json
+++ b/test/Microsoft.AspNetCore.Razor.Test/project.json
@@ -9,7 +9,8 @@
     },
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
     "Newtonsoft.Json": "7.0.1",
-    "xunit": "2.1.0"
+    "xunit": "2.1.0",
+    "Microsoft.NETCore.Platforms": "1.0.1-*"
   },
   "testRunner": "xunit",
   "commands": {
@@ -27,6 +28,7 @@
       }
     },
     "dnxcore50": {
+      "imports": "portable-net45+win8",
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"