Update NUnit

Author: yfakariya

samples/Samples/Samples.csproj

@@ -33,8 +33,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.6.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\..\packages\NUnit.3.6.1\lib\net45\nunit.framework.dll</HintPath>
+    <Reference Include="nunit.framework, Version=3.8.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\..\packages\NUnit.3.8.1\lib\net45\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />

samples/Samples/packages.config

@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.6.1" targetFramework="net461" />
+  <package id="NUnit" version="3.8.1" targetFramework="net461" />
 </packages>

test/MsgPack.UnitTest.BclExtensions/MsgPack.UnitTest.BclExtensions.csproj

@@ -19,7 +19,7 @@
     <DefineConstants>$(DefineConstants);NETSTANDARD2_0</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.7.1" />
+    <PackageReference Include="NUnit" Version="3.8.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.8.0" />
     <PackageReference Include="System.Collections.Immutable" Version="1.4.0" />
     <PackageReference Include="FSharp.Core" Version="4.2.2 " />

test/MsgPack.UnitTest.CodeDom.Net35/MsgPack.UnitTest.CodeDom.Net35.csproj

@@ -11,7 +11,7 @@
     <DocumentationFile></DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.7.1" />
+    <PackageReference Include="NUnit" Version="3.8.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.8.0" />
     <Reference Include="System" />
     <Reference Include="System.Core" />

test/MsgPack.UnitTest.CodeDom/MsgPack.UnitTest.CodeDom.csproj

@@ -15,7 +15,7 @@
     <DefineConstants>$(DefineConstants);NETSTANDARD2_0</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.7.1" />
+    <PackageReference Include="NUnit" Version="3.8.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.8.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.3.1" />

test/MsgPack.UnitTest.Net35/MsgPack.UnitTest.Net35.csproj

@@ -11,7 +11,7 @@
     <DocumentationFile></DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.7.1" />
+    <PackageReference Include="NUnit" Version="3.8.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.8.0" />
   </ItemGroup>
   <ItemGroup>

test/MsgPack.UnitTest/MsgPack.UnitTest.csproj

@@ -19,7 +19,7 @@
     <DefineConstants>$(DefineConstants);NETSTANDARD2_0</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NUnit" Version="3.7.1" />
+    <PackageReference Include="NUnit" Version="3.8.1" />
     <PackageReference Include="NUnit3TestAdapter" Version="3.8.0" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="2.3.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />