Add NuGetTest.sln to build_test_all.cmd (#500)

* Add NuGetTest.sln to build_test_all.cmd

* Restore NuGetTest.sln

Author: jlaanstra

build_test_all.cmd

@@ -10,6 +10,7 @@ if "%target_version%"=="" set target_version=1.2.3.4
 
 call nuget restore cppwinrt.sln
 call nuget restore natvis\cppwinrtvisualizer.sln
+call nuget restore test\nuget\NugetTest.sln
 
 call msbuild /m /p:Configuration=%target_configuration%,Platform=%target_platform%,CppWinRTBuildVersion=%target_version% cppwinrt.sln /t:fast_fwd
 
@@ -19,6 +20,7 @@ if "%target_platform%"=="arm64" goto :eof
 call msbuild /m /p:Configuration=%target_configuration%,Platform=%target_platform%,CppWinRTBuildVersion=%target_version% cppwinrt.sln /t:cppwinrt
 _build\%target_platform%\%target_configuration%\cppwinrt.exe -in local -out _build\%target_platform%\%target_configuration% -verbose
 call msbuild /p:Configuration=%target_configuration%,Platform=%target_platform%,CppWinRTBuildVersion=%target_version% natvis\cppwinrtvisualizer.sln
+call msbuild /p:Configuration=%target_configuration%,Platform=%target_platform%,CppWinRTBuildVersion=%target_version% test\nuget\NugetTest.sln
 
 call msbuild /m /p:Configuration=%target_configuration%,Platform=%target_platform%,CppWinRTBuildVersion=%target_version% cppwinrt.sln /t:test\test
 call msbuild /m /p:Configuration=%target_configuration%,Platform=%target_platform%,CppWinRTBuildVersion=%target_version% cppwinrt.sln /t:test\test_win7