Add integration tests on Git action

Add integration tests

Author: jingxu97

.github/workflows/windows.yml

@@ -1,4 +1,4 @@
-name: Go
+name: Windows Integration Tests
 
 on:
   push:
@@ -22,7 +22,18 @@ jobs:
         uses: actions/checkout@v2
       - name: Build
         run: |
-          go build -a -o _output/csi-proxy.exe ./cmd/csi-proxy
+          go build -v -a -o ./bin/csi-proxy.exe ./cmd/csi-proxy
       - name: Run Windows Unit Tests
         run: |
           go test -v -race ./internal/...
+      - name: Run Windows Integration Tests
+        run: |
+          # start the CSI Proxy before running tests on windows
+          Start-Job -Name CSIProxy -ScriptBlock {
+            .\bin\csi-proxy.exe --kubelet-csi-plugins-path $pwd --kubelet-pod-path $pwd
+          };
+          Start-Sleep -Seconds 30;
+          Write-Output "getting named pipes"
+          [System.IO.Directory]::GetFiles("\\.\\pipe\\")
+
+          go test -v -race ./integrationtest/volume_test.go ./integrationtests/filesystem_test.go ./integrationtests/disk_test.go