在Azure DevOps中运行.Net / VS测试运行器失败

我正在运行针对.Net Framework 4.6.2的C＃单元测试。

事情在本地运行良好，它还可以正常构建并运行安装在构建代理上的VS2019中的所有测试。

但是，当使用托管代理或自托管代理在Azure DevOps中运行生成时，即使所有测试均成功，测试步骤也会失败。

vstest.console.exe从命令行在构建代理上手动运行，可以正常运行并成功。我使用与Azure DevOps相同的参数运行此命令。

从日志中产生的错误（数百个）：

## [错误] [xUnit.net 00：00：00.0457701] Microsoft.VisualStudio.QualityTools.UnitTestFramework：灾难性故障：System.TypeInitializationException：'Xunit.DiaSession'的类型初始值设定项引发了异常。---> System.IO.FileNotFoundException：无法加载文件或程序集'System.Reflection.TypeExtensions，版本= 4.1.0.0，区域性=中性，PublicKeyToken = b03f5f7f11d50a3a'或其依赖项之一。该系统找不到指定的文件。

## [error] at Xunit.DiaSession..cctor（）## [error] ---内部异常堆栈跟踪的结尾--- ## [error] at Xunit.DiaSession..ctor（String assemblyFileName）## [错误]在C：\ projects \ xunit \ src \ xunit.runner.utility \ Utility \ DiaSessionWrapper_DotNet.cs：line 16中的Xunit.DiaSessionWrapper..ctor（String assemblyFilename）

Xunit.XunitFrontController..ctor（AppDomainSupport appDomainSupport，字符串assemblyFileName，字符串configFileName，布尔shadowCopy，字符串shadowCopyFolder，ISourceInformationProvider sourceInformationProvider，IMessageSink诊断消息Sink）上的## [错误]在C：\ projects \ xunit \ src \ xunit.runner.utility \ Frameworks \ XunitFrontController.cs：第64行

Xunit.Runner.VisualStudio.TestAdapter.VsTestRunner.RunTestsInAsssembly（IRunContext runContext，IFrameworkHandle frameworkHandle，LoggerHelper logger，TestPlatformContext testPlatformContext，IMessageSinkWithTypes reporterMessageHandler，AssemblyRunInfo runInfo）上的## [错误]。 visualstudio \ VsTestRunner.cs：线458

建立摘要

测试总数：3679通过：3675跳过：4总时间：3.4993分钟Vstest.console.exe以代码1退出。

在日志顶部的测试步骤初始化期间：

找到相同扩展名的多个版本。选择最高版本。Microsoft.VisualStudio.TestPlatform.MSTest.TestAdapter：14.0.2505.1 xunit.runner.visualstudio.dotnetcore.testadapter：99.99.99.0 xunit.runner.visualstudio.testadapter：99.99.99.0

管道

pool:
  name: Dedicated VS2017
  demands:
  - msbuild
  - visualstudio
  - vstest

steps:
- task: gittools.gitversion.gitversion-task.GitVersion@3
  displayName: GitVersion
  inputs:
    updateAssemblyInfo: true

- task: NuGetToolInstaller@0
  displayName: 'Use NuGet 4.3.0'

- task: NuGetCommand@2
  displayName: 'NuGet restore Shamrock.Web'
  inputs:
    restoreSolution: '$(Parameters.solution)'

- task: Npm@1
  displayName: 'npm install Documenta'
  inputs:
    workingDir: src/Documenta/Documenta.Web/ClientApp
    verbose: false
  enabled: false

- task: Npm@1
  displayName: 'npm build Documenta/ClientApp'
  inputs:
    command: custom
    workingDir: src/Documenta/Documenta.Web/ClientApp
    verbose: false
    customCommand: 'run build'
  enabled: false

- task: Npm@1
  displayName: 'npm install Shamrock.Web/Angular'
  inputs:
    workingDir: src/Shamrock.Web/Shamrock.Web/Angular
    verbose: false
  enabled: false

- task: Npm@1
  displayName: 'npm build Shamrock.Web/Angular'
  inputs:
    command: custom
    workingDir: src/Shamrock.Web/Shamrock.Web/Angular
    verbose: false
    customCommand: 'run build'
  enabled: false

- task: VSBuild@1
  displayName: 'Build solution'
  inputs:
    solution: src/Shamrock.Web/Shamrock.Web.sln
    msbuildArgs: '/p:SEPrecompilerIncludeRazor=true /p:DeployOnBuild=true /p:WebPublishMethod=Package /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true /p:PackageLocation="$(build.artifactstagingdirectory)\\"'
    platform: '$(BuildPlatform)'
    configuration: '$(BuildConfiguration)'
    clean: true
    maximumCpuCount: true

- task: VSBuild@1
  displayName: 'Build solution D365'
  inputs:
    solution: src/Shamrock.D365/Shamrock.D365.sln
    msbuildArgs: '/p:DeployOnBuild=true /p:WebPublishMethod=Package /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true /p:PackageLocation="$(build.artifactstagingdirectory)\\"'
    platform: '$(BuildPlatform)'
    configuration: '$(BuildConfiguration)'
    maximumCpuCount: true
  enabled: false

- task: VSBuild@1
  displayName: 'Build solution Documenta'
  inputs:
    solution: src/Documenta/Documenta.sln
    msbuildArgs: '/p:DeployOnBuild=true /p:WebPublishMethod=Package /p:PackageAsSingleFile=true /p:SkipInvalidConfigurations=true /p:PackageLocation="$(build.artifactstagingdirectory)\\"'
    platform: '$(BuildPlatform)'
    configuration: '$(BuildConfiguration)'
    maximumCpuCount: true
  enabled: false

- task: VSTest@2
  displayName: 'Test Assemblies'
  inputs:
    testAssemblyVer2: |
     **\$(BuildConfiguration)\*tests.dll
     !**\obj\**
     !**\*testadapter.dll
    vsTestVersion: 16.0
    runInParallel: false
    platform: '$(BuildPlatform)'
    configuration: '$(BuildConfiguration)'
    diagnosticsEnabled: True

- task: CopyFiles@2
  displayName: 'Copy DACPAC'
  inputs:
    Contents: '**\*.dacpac'
    TargetFolder: '$(build.artifactstagingdirectory)'

- task: CopyFiles@2
  displayName: 'Copy Database Publish Profile'
  inputs:
    Contents: '**\Shamrock.Database.publish.xml'
    TargetFolder: '$(build.artifactstagingdirectory)'

- task: PublishSymbols@1
  displayName: 'Publish symbols path'
  inputs:
    SearchPattern: '**\bin\**\*.pdb'
  enabled: false
  continueOnError: true

- task: PublishBuildArtifacts@1
  displayName: 'Publish Artifact'
  inputs:
    PathtoPublish: '$(build.artifactstagingdirectory)'
    ArtifactName: '$(Parameters.ArtifactName)'