diff --git a/TestASTParser/TestASTParser.csproj b/TestASTParser/TestASTParser.csproj
index 124a92fa2b917e5af4b1bc46706d8fb4f60453b6..2b3806fd8e9477392eb05d14da11451fcfab45c2 100644
--- a/TestASTParser/TestASTParser.csproj
+++ b/TestASTParser/TestASTParser.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -41,9 +40,8 @@
     <Reference Include="Newtonsoft.Json, Version=11.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed">
       <HintPath>..\packages\Newtonsoft.Json.11.0.2\lib\net35\Newtonsoft.Json.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -68,8 +66,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestASTParser/packages.config b/TestASTParser/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestASTParser/packages.config
+++ b/TestASTParser/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestCodeGenerator/TestCodeGenerator.csproj b/TestCodeGenerator/TestCodeGenerator.csproj
index aecb34302cdeabcf6b78b83a959fd9483a2fac74..c0d7c993b8b4ca717593ade587581b7099d33c74 100644
--- a/TestCodeGenerator/TestCodeGenerator.csproj
+++ b/TestCodeGenerator/TestCodeGenerator.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -38,8 +37,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
+    <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>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -64,8 +63,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestCodeGenerator/packages.config b/TestCodeGenerator/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestCodeGenerator/packages.config
+++ b/TestCodeGenerator/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestDescentParser/TestDescentParser.csproj b/TestDescentParser/TestDescentParser.csproj
index d123419c0f88e07d2d59eef336964f7ddbef1a7a..d0227466395afaf8a288c4e43986247c0d45d76b 100644
--- a/TestDescentParser/TestDescentParser.csproj
+++ b/TestDescentParser/TestDescentParser.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -38,9 +37,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -69,8 +67,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestDescentParser/packages.config b/TestDescentParser/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestDescentParser/packages.config
+++ b/TestDescentParser/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestGeneratedLexer/TestGeneratedLexer.csproj b/TestGeneratedLexer/TestGeneratedLexer.csproj
index 9af83590ad9b35601873947e09f2157530d5a6e5..58335e9e9512da9bc02b281a8139c3d74cbf605b 100644
--- a/TestGeneratedLexer/TestGeneratedLexer.csproj
+++ b/TestGeneratedLexer/TestGeneratedLexer.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -39,9 +38,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <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>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -66,8 +64,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestGeneratedLexer/packages.config b/TestGeneratedLexer/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestGeneratedLexer/packages.config
+++ b/TestGeneratedLexer/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestGeneratedParser/TestGeneratedParser.csproj b/TestGeneratedParser/TestGeneratedParser.csproj
index 99bba0b149107b22d8722e15ac6dfd30be56fa34..5b019cdf182bd603bfb360a59d5289689730856d 100644
--- a/TestGeneratedParser/TestGeneratedParser.csproj
+++ b/TestGeneratedParser/TestGeneratedParser.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -38,9 +37,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -65,8 +63,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestGeneratedParser/packages.config b/TestGeneratedParser/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestGeneratedParser/packages.config
+++ b/TestGeneratedParser/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestLexer/TestLexer.csproj b/TestLexer/TestLexer.csproj
index a6e0f32744de569ae98059fb1d62c2a12f74970d..18013930d7a0f4a52fb631b20981e80c088cdd4c 100644
--- a/TestLexer/TestLexer.csproj
+++ b/TestLexer/TestLexer.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -41,9 +40,8 @@
     <Reference Include="Microsoft.CSharp, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <HintPath>C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.CSharp.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <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>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -68,8 +66,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestLexer/packages.config b/TestLexer/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestLexer/packages.config
+++ b/TestLexer/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestSimpleLexer/TestSimpleLexer.csproj b/TestSimpleLexer/TestSimpleLexer.csproj
index f988eecc40858a82818e92f4bca3c8ab0568b59e..a2d73170dd45916846ea658ac867167ce0920ade 100644
--- a/TestSimpleLexer/TestSimpleLexer.csproj
+++ b/TestSimpleLexer/TestSimpleLexer.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -41,9 +40,8 @@
     <Reference Include="Microsoft.CSharp, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <HintPath>C:\Windows\Microsoft.NET\Framework\v4.0.30319\Microsoft.CSharp.dll</HintPath>
     </Reference>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <Reference Include="nunit.framework, Version=2.6.4.14350, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
+      <HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
     </Reference>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -68,8 +66,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestSimpleLexer/packages.config b/TestSimpleLexer/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestSimpleLexer/packages.config
+++ b/TestSimpleLexer/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file
diff --git a/TestVisitors/TestVisitors.csproj b/TestVisitors/TestVisitors.csproj
index e9e8a94acc12a147257ff066aa3d972b895710d2..7cd196f80fad6211d85f8fc0e049765ef1be907c 100644
--- a/TestVisitors/TestVisitors.csproj
+++ b/TestVisitors/TestVisitors.csproj
@@ -1,7 +1,6 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="..\packages\NUnit.3.10.0\build\NUnit.props" Condition="Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" />
-  <Import Project="..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props" Condition="Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" />
+  <Import Project="..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props" Condition="Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" />
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -38,9 +37,8 @@
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
   <ItemGroup>
-    <Reference Include="nunit.framework, Version=3.10.0.0, Culture=neutral, PublicKeyToken=2638cd05610744eb, processorArchitecture=MSIL">
-      <HintPath>..\packages\NUnit.3.10.0\lib\net40\nunit.framework.dll</HintPath>
-      <Private>True</Private>
+    <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>
     <Reference Include="System" />
     <Reference Include="System.Core" />
@@ -65,8 +63,7 @@
     <PropertyGroup>
       <ErrorText>Данный проект ссылается на пакеты NuGet, отсутствующие на этом компьютере. Используйте восстановление пакетов NuGet, чтобы скачать их.  Дополнительную информацию см. по адресу: http://go.microsoft.com/fwlink/?LinkID=322105. Отсутствует следующий файл: {0}.</ErrorText>
     </PropertyGroup>
-    <Error Condition="!Exists('..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit3TestAdapter.3.15.0\build\net35\NUnit3TestAdapter.props'))" />
-    <Error Condition="!Exists('..\packages\NUnit.3.10.0\build\NUnit.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnit.3.10.0\build\NUnit.props'))" />
+    <Error Condition="!Exists('..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props')" Text="$([System.String]::Format('$(ErrorText)', '..\packages\NUnitTestAdapter.2.2.0\build\NUnitTestAdapter.props'))" />
   </Target>
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
          Other similar extension points exist, see Microsoft.Common.targets.
diff --git a/TestVisitors/packages.config b/TestVisitors/packages.config
index 0ca70d4a17c22ad5e7020856bfccea05b19e31ec..38117b68b53f0f024fe12f26bef7542930f4a44e 100644
--- a/TestVisitors/packages.config
+++ b/TestVisitors/packages.config
@@ -1,6 +1,5 @@
 п»ї<?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="NUnit" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit.ConsoleRunner" version="3.10.0" targetFramework="net40" />
-  <package id="NUnit3TestAdapter" version="3.15.0" targetFramework="net40" />
+  <package id="NUnit" version="2.6.4" targetFramework="net40" />
+  <package id="NUnitTestAdapter" version="2.2.0" targetFramework="net40" />
 </packages>
\ No newline at end of file