User/orilevari/build ui tests (#171)

restore nuget for test solution as well as samples explicitly. include test solution build task

Author: Ori Levari

azure-pipelines-samples.yml

@@ -63,7 +63,28 @@ steps:
     condition: succeededOrFailed()
 
   - task: NuGetCommand@2
-    displayName: 'NuGet restore'
+    displayName: 'NuGet restore samples dependencies'
+    inputs:
+      restoreSolution: winml/samples/public/WinMLGithub/Samples/**/*.sln
+    condition: succeededOrFailed()
+
+  - task: NuGetCommand@2
+    displayName: 'NuGet restore test dependencies'
+    inputs:
+      restoreSolution: winml/samples/public/WinMLGithub/Testing/**/SamplesTest.sln
+    condition: succeededOrFailed()
+
+  - task: VSBuild@1
+    displayName: 'Build UI test solution winml/samples/public/WinMLGithub/Testing/**/SamplesTest.sln'
+    inputs:
+      solution: 'Testing/**/SamplesTest.sln'
+      vsVersion: 15.0
+      msbuildArgs: '/p:AppxPackageSigningEnabled=false -v:diag /p:OutDir=$(System.DefaultWorkingDirectory)\bin\$(BuildPlatform)\$(BuildConfiguration)\'
+      platform: '$(BuildPlatform)'
+      configuration: '$(BuildConfiguration)'
+      clean: true
+      msbuildArchitecture: x64
+      createLogFile: true
     condition: succeededOrFailed()
 
   - task: VSBuild@1