anchor.diff:  
   @Rem OpenCover command
   @set OpenCoverCommand=%OpenCoverMsiInstalled% %OpenCoverOptions%
  -@if "%appveyor%" == "true" set OpenCoverCommand=%OpenCoverNugetPackage% %OpenCoverOptions%
  +@if "%appveyor%" == "True" set OpenCoverCommand=%OpenCoverNugetPackage% %OpenCoverOptions%
   
   @Rem NUnit output folder
   @set nunit_work_option_folder="/work:\"%artifacts_dir%\""
   @if not "%appveyor_build_folder%" == "" set nunit_work_option_folder="/work:\"%appveyor_build_folder%\""
   
  -@echo AppVeyor Build Folder %appveyor_build_folder%
  -@echo NUnit   /Work: Folder %nunit_work_option_folder%
  +@echo AppVeyor env.variable: %appveyor%
  +@echo AppVeyor Build Folder: %appveyor_build_folder%
  +@echo NUnit /work:.. Option: %nunit_work_option_folder%
   @echo .
   
   @echo Runining test with -filter:"+[DBCL]DD.Extends*"
  +@echo.
   @%OpenCoverCommand% ^
   -output:".\artifacts\OpenCover.Extensions.xml" ^
   -filter:"+[DBCL]DD.Extends*" ^
   -target:".\packages\NUnit.Runners.Net4.2.6.4\tools\nunit-console-x86.exe" ^
   -targetdir:".\Source\Test\NUnit.Extensions\bin\Debug" ^
  --targetargs:"NUnit.Extensions.dll /result=\"Extensions.TestResult.xml\" %nunit_work_option_folder%"
  +-targetargs:"NUnit.Extensions.dll /nologo /noshadow /result=\"Extensions.TestResult.xml\" %nunit_work_option_folder%"
   @echo -------------------------------------
   @echo.
   @echo.
   @rem if not "%appveyor%" == "true" pause
   
   @echo Runining again with -filter:"+[*]DD.Extends*"
  +@echo.
   @%OpenCoverCommand% ^
   -output:".\artifacts\OpenCover.Extensions.xml" ^
   -filter:"+[*]DD.Extends*" ^
   -target:".\packages\NUnit.Runners.Net4.2.6.4\tools\nunit-console-x86.exe" ^
   -targetdir:".\Source\Test\NUnit.Extensions\bin\Debug" ^
  --targetargs:"NUnit.Extensions.dll /result=\"Extensions.TestResult.xml\" %nunit_work_option_folder%"
  +-targetargs:"NUnit.Extensions.dll /nologo /noshadow /result=\"Extensions.TestResult.xml\" %nunit_work_option_folder%"
   @echo -------------------------------------
   @echo.
   @echo.
  
positive.code: -filter:"-[*]DD.Collections.BitSetArrayTest* +[*]DD.Collections.BitSetArray*" ^
  -target:".\packages\NUnit.Runners.Net4.2.6.4\tools\nunit-console-x86.exe" ^
  -targetdir:".\Source\Test\NUnit.BitSetArray\bin\Debug" ^
  -targetargs:"NUnit.BitSetArray.dll /result=\"BitSetArray.TestResult.xml\" %nunit_work_option_folder%"
  @echo -------------------------------------
  @echo.
  @echo.
  
negative.code: -filter:"-[*]DD.Diagnostics.SuccessTest* +[*]DD.Diagnostics*" ^
  -target:".\packages\NUnit.Runners.Net4.2.6.4\tools\nunit-console-x86.exe" ^
  -targetdir:".\Source\Test\NUnit.Diagnostics\bin\Debug" ^
  -targetargs:"NUnit.Diagnostics.dll /nologo /noshadow /result=\"Diagnostics.TestResult.xml\" %nunit_work_option_folder%"
  @echo -------------------------------------
  @echo.
  @echo.
  