diff --git a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
index fe8adbea67..649606c5c6 100644
--- a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
@@ -6,6 +6,7 @@
       "version": "1.0.0-*"
     },
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit": "2.1.0"
   },
   "frameworks": {
@@ -17,7 +18,8 @@
     "dnxcore50": {
       "dependencies": {
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
+      },
+      "imports": "portable-net451+win8"
     }
   },
   "testRunner": "xunit",
diff --git a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
index 621c4eece2..cb5c2f28d1 100644
--- a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
@@ -4,6 +4,7 @@
     "Microsoft.AspNetCore.Cryptography.KeyDerivation": "1.0.0-*",
     "Microsoft.AspNetCore.DataProtection.Test.Shared": "1.0.0-*",
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit": "2.1.0"
   },
   "frameworks": {
@@ -15,7 +16,8 @@
     "dnxcore50": {
       "dependencies": {
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
+      },
+      "imports": "portable-net451+win8"
     }
   },
   "testRunner": "xunit",
diff --git a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
index ab59434a25..bf911fedf5 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
@@ -3,6 +3,7 @@
     "Microsoft.AspNetCore.Cryptography.Internal": "1.0.0-*",
     "Microsoft.AspNetCore.DataProtection.Abstractions": "1.0.0-*",
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit": "2.1.0"
   },
   "frameworks": {
@@ -16,7 +17,8 @@
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
+      },
+      "imports": "portable-net451+win8"
     }
   },
   "testRunner": "xunit",
diff --git a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
index dc33df753e..039a719936 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
@@ -7,6 +7,7 @@
       "version": "1.0.0-*"
     },
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit": "2.1.0"
   },
   "frameworks": {
@@ -20,7 +21,8 @@
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
+      },
+      "imports": "portable-net451+win8"
     }
   },
   "testRunner": "xunit",
diff --git a/test/Microsoft.AspNetCore.DataProtection.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Test/project.json
index 261d48378b..2a6680fc04 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Test/project.json
@@ -7,6 +7,7 @@
     },
     "Microsoft.AspNetCore.Testing": "1.0.0-*",
     "Microsoft.Extensions.DependencyInjection": "1.0.0-*",
+    "Microsoft.NETCore.Platforms": "1.0.1-*",
     "xunit": "2.1.0"
   },
   "frameworks": {
@@ -20,7 +21,8 @@
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
         "xunit.runner.aspnet": "2.0.0-aspnet-*"
-      }
+      },
+      "imports": "portable-net451+win8"
     }
   },
   "testRunner": "xunit",