diff --git a/Tests/GenericCollections/GenericCollections.nfproj b/Tests/GenericCollections/GenericCollections.nfproj
index a83281f..8151dc7 100644
--- a/Tests/GenericCollections/GenericCollections.nfproj
+++ b/Tests/GenericCollections/GenericCollections.nfproj
@@ -42,10 +42,10 @@
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-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.TestFramework.dll</HintPath>
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     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
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   <ItemGroup>
diff --git a/Tests/GenericCollections/packages.config b/Tests/GenericCollections/packages.config
index 8691514..b26279b 100644
--- a/Tests/GenericCollections/packages.config
+++ b/Tests/GenericCollections/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.49" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/GenericCollections/packages.lock.json b/Tests/GenericCollections/packages.lock.json
index 5ee00c5..2dd3f26 100644
--- a/Tests/GenericCollections/packages.lock.json
+++ b/Tests/GenericCollections/packages.lock.json
@@ -10,9 +10,9 @@
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+        "requested": "[4.0.0-preview.49, 4.0.0-preview.49]",
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diff --git a/Tests/HashtableTests/HashtableTests.nfproj b/Tests/HashtableTests/HashtableTests.nfproj
index 26f2660..ff35676 100644
--- a/Tests/HashtableTests/HashtableTests.nfproj
+++ b/Tests/HashtableTests/HashtableTests.nfproj
@@ -37,10 +37,10 @@
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-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.TestFramework.dll</HintPath>
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     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
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   <ItemGroup>
diff --git a/Tests/HashtableTests/packages.config b/Tests/HashtableTests/packages.config
index 8691514..b26279b 100644
--- a/Tests/HashtableTests/packages.config
+++ b/Tests/HashtableTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.49" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/HashtableTests/packages.lock.json b/Tests/HashtableTests/packages.lock.json
index 5ee00c5..2dd3f26 100644
--- a/Tests/HashtableTests/packages.lock.json
+++ b/Tests/HashtableTests/packages.lock.json
@@ -10,9 +10,9 @@
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+        "requested": "[4.0.0-preview.49, 4.0.0-preview.49]",
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diff --git a/Tests/QueueTests/QueueTests.nfproj b/Tests/QueueTests/QueueTests.nfproj
index cda0e80..8a62e3e 100644
--- a/Tests/QueueTests/QueueTests.nfproj
+++ b/Tests/QueueTests/QueueTests.nfproj
@@ -35,10 +35,10 @@
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-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.TestFramework.dll</HintPath>
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     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
     </Reference>
   </ItemGroup>
   <ItemGroup>
diff --git a/Tests/QueueTests/packages.config b/Tests/QueueTests/packages.config
index 8691514..b26279b 100644
--- a/Tests/QueueTests/packages.config
+++ b/Tests/QueueTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.49" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/QueueTests/packages.lock.json b/Tests/QueueTests/packages.lock.json
index 5ee00c5..2dd3f26 100644
--- a/Tests/QueueTests/packages.lock.json
+++ b/Tests/QueueTests/packages.lock.json
@@ -10,9 +10,9 @@
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+        "requested": "[4.0.0-preview.49, 4.0.0-preview.49]",
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diff --git a/Tests/StackTests/StackTests.nfproj b/Tests/StackTests/StackTests.nfproj
index 201563d..253ac99 100644
--- a/Tests/StackTests/StackTests.nfproj
+++ b/Tests/StackTests/StackTests.nfproj
@@ -37,10 +37,10 @@
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-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.TestFramework.dll</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.TestFramework.dll</HintPath>
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     <Reference Include="nanoFramework.UnitTestLauncher, Version=0.0.0.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.47\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
+      <HintPath>..\..\packages\nanoFramework.TestFramework.4.0.0-preview.49\lib\nanoFramework.UnitTestLauncher.exe</HintPath>
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   <ItemGroup>
diff --git a/Tests/StackTests/packages.config b/Tests/StackTests/packages.config
index 8691514..b26279b 100644
--- a/Tests/StackTests/packages.config
+++ b/Tests/StackTests/packages.config
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
   <package id="nanoFramework.CoreLibrary" version="2.0.0-preview.43" targetFramework="netnano1.0" />
-  <package id="nanoFramework.TestFramework" version="4.0.0-preview.47" targetFramework="netnano1.0" developmentDependency="true" />
+  <package id="nanoFramework.TestFramework" version="4.0.0-preview.49" targetFramework="netnano1.0" developmentDependency="true" />
 </packages>
\ No newline at end of file
diff --git a/Tests/StackTests/packages.lock.json b/Tests/StackTests/packages.lock.json
index 5ee00c5..2dd3f26 100644
--- a/Tests/StackTests/packages.lock.json
+++ b/Tests/StackTests/packages.lock.json
@@ -10,9 +10,9 @@
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