问题：使用IDE创建的单元测试项目，标准引用是，导致不能添加顺序测试，复制其它项目的顺序测试文件进行编辑时，也会提示基于MSTest V2的测试不能用于顺序测试
解决办法：
移除自带的NUGET引用，保存项目文件，然后用记事本打开项目文件，添加配置
@@@code
<Choose>
<When Condition="('$(VisualStudioVersion)' == '10.0' or '$(VisualStudioVersion)' == '') and '$(TargetFrameworkVersion)' == 'v3.5'">
<ItemGroup>
<Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.1.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" />
</ItemGroup>
</When>
<Otherwise>
<Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework" />
</Otherwise>
</Choose>
<Choose>
<When Condition="'$(VisualStudioVersion)' == '10.0' And '$(IsCodedUITest)' == 'True'">
<Reference Include="Microsoft.VisualStudio.QualityTools.CodedUITestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
<Private>False</Private>
</Reference>
<Reference Include="Microsoft.VisualStudio.TestTools.UITest.Common, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
<Reference Include="Microsoft.VisualStudio.TestTools.UITest.Extension, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
<Reference Include="Microsoft.VisualStudio.TestTools.UITesting, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
@@#
问题解决，添加新项，就可以添加顺序测试了