Upgrade NUnit

Upgrade NUnit from version 2.6.4 to version 3.2.1 and make ReSharper run the tests with NUnit 3.

Author: asbjornu

src/GitTools.Core.Tests/GitTools.Core.Tests.csproj

@@ -50,8 +50,8 @@
       <HintPath>..\packages\LibGit2Sharp.0.22.0\lib\net40\LibGit2Sharp.dll</HintPath>
       <Private>True</Private>
     </Reference>
-    <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
+    <Reference Include="nunit.framework, Version=3.2.1.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.3.2.1\lib\net45\nunit.framework.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Shouldly, Version=2.7.0.0, Culture=neutral, PublicKeyToken=6042cbcb05cbc941, processorArchitecture=MSIL">

src/GitTools.Core.Tests/GlobalInitialization.cs

@@ -3,7 +3,7 @@
 [SetUpFixture]
 public class GlobalInitialization
 {
-    [SetUp]
+    [OneTimeSetUp]
     public static void SetUp()
     {
 #if DEBUG

src/GitTools.Core.Tests/packages.config

@@ -1,9 +1,9 @@
-<?xml version="1.0" encoding="utf-8"?>
-<packages>
-  <package id="Atlassian.SDK" version="2.5.0" targetFramework="net45" />
-  <package id="GitTools.Testing" version="1.1.0" targetFramework="net45" />
-  <package id="LibGit2Sharp" version="0.22.0" targetFramework="net45" />
-  <package id="LibGit2Sharp.NativeBinaries" version="1.0.129" targetFramework="net45" />
-  <package id="NUnit" version="2.6.4" targetFramework="net45" />
-  <package id="Shouldly" version="2.7.0" targetFramework="net45" />
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="Atlassian.SDK" version="2.5.0" targetFramework="net45" />
+  <package id="GitTools.Testing" version="1.1.0" targetFramework="net45" />
+  <package id="LibGit2Sharp" version="0.22.0" targetFramework="net45" />
+  <package id="LibGit2Sharp.NativeBinaries" version="1.0.129" targetFramework="net45" />
+  <package id="NUnit" version="3.2.1" targetFramework="net45" />
+  <package id="Shouldly" version="2.7.0" targetFramework="net45" />
 </packages>

src/GitTools.Core.sln.DotSettings

@@ -448,6 +448,7 @@ II.2.12 <HandlesEvent />
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EAlwaysTreatStructAsNotReorderableMigration/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateBlankLinesAroundFieldToBlankLinesAroundProperty/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EMigrateThisQualifierSettings/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/Environment/UnitTesting/DisabledProviders/=NUnit2x/@EntryIndexedValue">True</s:Boolean>
 	<s:String x:Key="/Default/Environment/UserInterface/ShortcutSchemeName/@EntryValue">None</s:String>
 	<s:String x:Key="/Default/FilterSettingsManager/AttributeFilterXml/@EntryValue">&lt;data /&gt;</s:String>
 	<s:String x:Key="/Default/FilterSettingsManager/CoverageFilterXml/@EntryValue">&lt;data&gt;&lt;IncludeFilters /&gt;&lt;ExcludeFilters /&gt;&lt;/data&gt;</s:String></wpf:ResourceDictionary>