diff --git a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
index ffa391f84f..275ddd9910 100644
--- a/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cryptography.Internal.Test/project.json
@@ -12,7 +12,8 @@
   "frameworks": {
     "netstandardapp1.5": {
       "dependencies": {
-        "dotnet-test-xunit": "1.0.0-dev-*"
+        "dotnet-test-xunit": "1.0.0-dev-*",
+        "System.Diagnostics.Process": "4.1.0-*"
       },
       "imports": [
         "dnxcore50",
diff --git a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
index b6446bebbb..dbeaf4e74f 100644
--- a/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
+++ b/test/Microsoft.AspNetCore.Cryptography.KeyDerivation.Test/project.json
@@ -10,7 +10,8 @@
   "frameworks": {
     "netstandardapp1.5": {
       "dependencies": {
-        "dotnet-test-xunit": "1.0.0-dev-*"
+        "dotnet-test-xunit": "1.0.0-dev-*",
+        "System.Diagnostics.Process": "4.1.0-*"
       },
       "imports": [
         "dnxcore50",
diff --git a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
index f0676e9f8e..3e077c2823 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Abstractions.Test/project.json
@@ -10,7 +10,8 @@
     "netstandardapp1.5": {
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
-        "dotnet-test-xunit": "1.0.0-dev-*"
+        "dotnet-test-xunit": "1.0.0-dev-*",
+        "System.Diagnostics.Process": "4.1.0-*"
       },
       "imports": [
         "dnxcore50",
diff --git a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
index d5fddc8339..8a1c50c1a2 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Extensions.Test/project.json
@@ -14,7 +14,8 @@
     "netstandardapp1.5": {
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
-        "dotnet-test-xunit": "1.0.0-dev-*"
+        "dotnet-test-xunit": "1.0.0-dev-*",
+        "System.Diagnostics.Process": "4.1.0-*"
       },
       "imports": [
         "dnxcore50",
diff --git a/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json b/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json
index fbbb894846..86a03356af 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Test.Shared/project.json
@@ -1,16 +1,13 @@
 {
   "frameworks": {
-    "netstandardapp1.5": {
+    "netstandard1.1": {
       "dependencies": {
-        "dotnet-test-xunit": "1.0.0-dev-*",
-        "Microsoft.NETCore.Platforms": "1.0.1-*"
+        "System.Runtime": "4.1.0-*"
       },
       "imports": [
-        "dnxcore50",
-        "portable-net451+win8"
+        "dotnet5.2"
       ]
-    },
-    "net451": {}
+    }
   },
   "shared": "**/*.cs"
 }
\ No newline at end of file
diff --git a/test/Microsoft.AspNetCore.DataProtection.Test/project.json b/test/Microsoft.AspNetCore.DataProtection.Test/project.json
index 9897b9b521..c551926e27 100644
--- a/test/Microsoft.AspNetCore.DataProtection.Test/project.json
+++ b/test/Microsoft.AspNetCore.DataProtection.Test/project.json
@@ -14,7 +14,8 @@
     "netstandardapp1.5": {
       "dependencies": {
         "moq.netcore": "4.4.0-beta8",
-        "dotnet-test-xunit": "1.0.0-dev-*"
+        "dotnet-test-xunit": "1.0.0-dev-*",
+        "System.Diagnostics.Process": "4.1.0-*"
       },
       "imports": [
         "dnxcore50",