diff --git a/Tests/IPAddressTests/IPAddressTests.nfproj b/Tests/IPAddressTests/IPAddressTests.nfproj
index 02cfe64..c076ba8 100644
--- a/Tests/IPAddressTests/IPAddressTests.nfproj
+++ b/Tests/IPAddressTests/IPAddressTests.nfproj
@@ -43,10 +43,10 @@
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
diff --git a/Tests/IPAddressTests/packages.config b/Tests/IPAddressTests/packages.config
index aac5a68..25b821d 100644
--- a/Tests/IPAddressTests/packages.config
+++ b/Tests/IPAddressTests/packages.config
@@ -3,5 +3,5 @@
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.61" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/IPAddressTests/packages.lock.json b/Tests/IPAddressTests/packages.lock.json
index edcb60a..6fdb858 100644
--- a/Tests/IPAddressTests/packages.lock.json
+++ b/Tests/IPAddressTests/packages.lock.json
@@ -22,9 +22,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[4.0.0-preview.58, 4.0.0-preview.58]",
-        "resolved": "4.0.0-preview.58",
-        "contentHash": "9og25km8L7R1m2s0QmYUSIKRYksQJVxV3BZr9OfmcBRbAfedxdhZfOQ1Z01lUWpK0Fq7zxUthkf8t4Br0kDl8w=="
+        "requested": "[4.0.0-preview.61, 4.0.0-preview.61]",
+        "resolved": "4.0.0-preview.61",
+        "contentHash": "AGzbBDZpjoKjOoAuGka1aK3wBog7uUuAZzNFDmM2N65BB4Zh8pb6Ncopwra1iTkmFB5VMSZouEzKc1/Xv1Qt/w=="
       }
     }
   }
diff --git a/Tests/NetworkHelperTests/NetworkHelperTests.nfproj b/Tests/NetworkHelperTests/NetworkHelperTests.nfproj
index 6c0d1ce..a778681 100644
--- a/Tests/NetworkHelperTests/NetworkHelperTests.nfproj
+++ b/Tests/NetworkHelperTests/NetworkHelperTests.nfproj
@@ -52,10 +52,10 @@
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
diff --git a/Tests/NetworkHelperTests/packages.config b/Tests/NetworkHelperTests/packages.config
index f72a320..81d01c6 100644
--- a/Tests/NetworkHelperTests/packages.config
+++ b/Tests/NetworkHelperTests/packages.config
@@ -4,5 +4,5 @@
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.61" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/NetworkHelperTests/packages.lock.json b/Tests/NetworkHelperTests/packages.lock.json
index 552ac16..5e2f63c 100644
--- a/Tests/NetworkHelperTests/packages.lock.json
+++ b/Tests/NetworkHelperTests/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[4.0.0-preview.58, 4.0.0-preview.58]",
-        "resolved": "4.0.0-preview.58",
-        "contentHash": "9og25km8L7R1m2s0QmYUSIKRYksQJVxV3BZr9OfmcBRbAfedxdhZfOQ1Z01lUWpK0Fq7zxUthkf8t4Br0kDl8w=="
+        "requested": "[4.0.0-preview.61, 4.0.0-preview.61]",
+        "resolved": "4.0.0-preview.61",
+        "contentHash": "AGzbBDZpjoKjOoAuGka1aK3wBog7uUuAZzNFDmM2N65BB4Zh8pb6Ncopwra1iTkmFB5VMSZouEzKc1/Xv1Qt/w=="
       }
     }
   }
diff --git a/Tests/SocketTests/SocketTests.nfproj b/Tests/SocketTests/SocketTests.nfproj
index 0be3bc0..93a91fc 100644
--- a/Tests/SocketTests/SocketTests.nfproj
+++ b/Tests/SocketTests/SocketTests.nfproj
@@ -50,10 +50,10 @@
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
diff --git a/Tests/SocketTests/packages.config b/Tests/SocketTests/packages.config
index f72a320..81d01c6 100644
--- a/Tests/SocketTests/packages.config
+++ b/Tests/SocketTests/packages.config
@@ -4,5 +4,5 @@
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.61" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/SocketTests/packages.lock.json b/Tests/SocketTests/packages.lock.json
index 552ac16..5e2f63c 100644
--- a/Tests/SocketTests/packages.lock.json
+++ b/Tests/SocketTests/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[4.0.0-preview.58, 4.0.0-preview.58]",
-        "resolved": "4.0.0-preview.58",
-        "contentHash": "9og25km8L7R1m2s0QmYUSIKRYksQJVxV3BZr9OfmcBRbAfedxdhZfOQ1Z01lUWpK0Fq7zxUthkf8t4Br0kDl8w=="
+        "requested": "[4.0.0-preview.61, 4.0.0-preview.61]",
+        "resolved": "4.0.0-preview.61",
+        "contentHash": "AGzbBDZpjoKjOoAuGka1aK3wBog7uUuAZzNFDmM2N65BB4Zh8pb6Ncopwra1iTkmFB5VMSZouEzKc1/Xv1Qt/w=="
       }
     }
   }
diff --git a/Tests/SslStreamTests/SslStreamTests.nfproj b/Tests/SslStreamTests/SslStreamTests.nfproj
index 4fc74e2..6701584 100644
--- a/Tests/SslStreamTests/SslStreamTests.nfproj
+++ b/Tests/SslStreamTests/SslStreamTests.nfproj
@@ -48,11 +48,11 @@
     <Reference Include="nanoFramework.System.Text">
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.TestFramework">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.UnitTestLauncher">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
+    <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams">
       <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
diff --git a/Tests/SslStreamTests/packages.config b/Tests/SslStreamTests/packages.config
index f72a320..81d01c6 100644
--- a/Tests/SslStreamTests/packages.config
+++ b/Tests/SslStreamTests/packages.config
@@ -4,5 +4,5 @@
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.61" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/SslStreamTests/packages.lock.json b/Tests/SslStreamTests/packages.lock.json
index 552ac16..5e2f63c 100644
--- a/Tests/SslStreamTests/packages.lock.json
+++ b/Tests/SslStreamTests/packages.lock.json
@@ -28,9 +28,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[4.0.0-preview.58, 4.0.0-preview.58]",
-        "resolved": "4.0.0-preview.58",
-        "contentHash": "9og25km8L7R1m2s0QmYUSIKRYksQJVxV3BZr9OfmcBRbAfedxdhZfOQ1Z01lUWpK0Fq7zxUthkf8t4Br0kDl8w=="
+        "requested": "[4.0.0-preview.61, 4.0.0-preview.61]",
+        "resolved": "4.0.0-preview.61",
+        "contentHash": "AGzbBDZpjoKjOoAuGka1aK3wBog7uUuAZzNFDmM2N65BB4Zh8pb6Ncopwra1iTkmFB5VMSZouEzKc1/Xv1Qt/w=="
       }
     }
   }
diff --git a/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj b/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj
index 5828427..7cc791f 100644
--- a/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj
+++ b/Tests/SslStreamTests_WiFi/SslStreamTests_WiFi.nfproj
@@ -45,18 +45,21 @@
     <Reference Include="nanoFramework.System.Text">
       <HintPath>..\..\packages\nanoFramework.System.Text.2.0.0-preview.23\lib\netnano1.0\nanoFramework.System.Text.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.TestFramework">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
+    <Reference Include="nanoFramework.TestFramework, Version=4.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.TestFramework.dll</HintPath>
     </Reference>
-    <Reference Include="nanoFramework.UnitTestLauncher">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.58\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
+    <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.61\lib\netnano1.0\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
-    <Reference Include="System.Device.Wifi">
-      <HintPath>..\..\packages\nanoFramework.System.Device.Wifi.2.0.0-preview.32\lib\netnano1.0\System.Device.Wifi.dll</HintPath>
+    <Reference Include="System.Device.Wifi, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Device.Wifi.2.0.0-preview.34\lib\netnano1.0\System.Device.Wifi.dll</HintPath>
     </Reference>
     <Reference Include="System.IO.Streams">
       <HintPath>..\..\packages\nanoFramework.System.IO.Streams.2.0.0-preview.22\lib\netnano1.0\System.IO.Streams.dll</HintPath>
     </Reference>
+    <Reference Include="System.Net, Version=2.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
+      <HintPath>..\..\packages\nanoFramework.System.Net.2.0.0-preview.37\lib\netnano1.0\System.Net.dll</HintPath>
+    </Reference>
     <Reference Include="System.Threading">
       <HintPath>..\..\packages\nanoFramework.System.Threading.2.0.0-preview.14\lib\netnano1.0\System.Threading.dll</HintPath>
     </Reference>
diff --git a/Tests/SslStreamTests_WiFi/packages.config b/Tests/SslStreamTests_WiFi/packages.config
index 381ea40..c337b21 100644
--- a/Tests/SslStreamTests_WiFi/packages.config
+++ b/Tests/SslStreamTests_WiFi/packages.config
@@ -2,9 +2,10 @@
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.52" targetFramework="netnano1.0" />
   <package id="nanoFramework.Runtime.Events" version="2.0.0-preview.13" targetFramework="netnano1.0" />
-  <package id="nanoFramework.System.Device.Wifi" version="2.0.0-preview.32" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Device.Wifi" version="2.0.0-preview.34" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.IO.Streams" version="2.0.0-preview.22" targetFramework="netnano1.0" />
+  <package id="nanoFramework.System.Net" version="2.0.0-preview.37" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Text" version="2.0.0-preview.23" targetFramework="netnano1.0" />
   <package id="nanoFramework.System.Threading" version="2.0.0-preview.14" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.58" targetFramework="netnano1.0" developmentDependency="true" />
-</packages>
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.61" targetFramework="netnano1.0" developmentDependency="true" />
+</packages>
\ No newline at end of file
diff --git a/Tests/SslStreamTests_WiFi/packages.lock.json b/Tests/SslStreamTests_WiFi/packages.lock.json
index b187b9d..279a129 100644
--- a/Tests/SslStreamTests_WiFi/packages.lock.json
+++ b/Tests/SslStreamTests_WiFi/packages.lock.json
@@ -16,9 +16,9 @@
       },
       "nanoFramework.System.Device.Wifi": {
         "type": "Direct",
-        "requested": "[2.0.0-preview.32, 2.0.0-preview.32]",
-        "resolved": "2.0.0-preview.32",
-        "contentHash": "Sl2xRVDaigdue5GxM4XRLiU8h8BWuiix8scAcNZtYw6AQMg8qaGmW+fCpKaoBfFrNfwfg6xOOkm3Qv6A6WP66g=="
+        "requested": "[2.0.0-preview.34, 2.0.0-preview.34]",
+        "resolved": "2.0.0-preview.34",
+        "contentHash": "Tb+lVcK0+b17Rq5Lu35N7O/tt8AZR3wWrfC2GiZINCsQ2YOoxuEgt33wEZcgv1WwciMq9kgMqzv+XjIjJPtN9Q=="
       },
       "nanoFramework.System.IO.Streams": {
         "type": "Direct",
@@ -26,6 +26,12 @@
         "resolved": "2.0.0-preview.22",
         "contentHash": "TwAY/tgMEZwEP06SjKElRKs+y8mzRNe3D32J+x/IhUtJmjnowv37BQwPpycOH3w5TWjf95YDP4AUFsDhjGs4Vg=="
       },
+      "nanoFramework.System.Net": {
+        "type": "Direct",
+        "requested": "[2.0.0-preview.37, 2.0.0-preview.37]",
+        "resolved": "2.0.0-preview.37",
+        "contentHash": "4jJRtwgyxciviaX8NzwQOg9pUBM1JHcKfzqThFauAsitAHXhf+vgMQJYt1894rOyihOwWwwvDjmsOqJPNFD/ZQ=="
+      },
       "nanoFramework.System.Text": {
         "type": "Direct",
         "requested": "[2.0.0-preview.23, 2.0.0-preview.23]",
@@ -40,9 +46,9 @@
       },
       "nanoFramework.TestFramework": {
         "type": "Direct",
-        "requested": "[4.0.0-preview.58, 4.0.0-preview.58]",
-        "resolved": "4.0.0-preview.58",
-        "contentHash": "9og25km8L7R1m2s0QmYUSIKRYksQJVxV3BZr9OfmcBRbAfedxdhZfOQ1Z01lUWpK0Fq7zxUthkf8t4Br0kDl8w=="
+        "requested": "[4.0.0-preview.61, 4.0.0-preview.61]",
+        "resolved": "4.0.0-preview.61",
+        "contentHash": "AGzbBDZpjoKjOoAuGka1aK3wBog7uUuAZzNFDmM2N65BB4Zh8pb6Ncopwra1iTkmFB5VMSZouEzKc1/Xv1Qt/w=="
       }
     }
   }