Fix Github action.

.github/workflows/main.yml

@@ -10,19 +10,22 @@ on:
       - "framework/**"
       - "modules/**"
       - "templates/**"
-jobs:
-  build-test:
-    runs-on: windows-latest
-    steps:
-      - uses: actions/checkout@v1
+  jobs:
+    build-test:
+      runs-on: windows-latest
+      steps:
+      - uses: actions/checkout@v2
       - uses: actions/setup-dotnet@master
         with:
-          dotnet-version: "3.1.100"
-
+          dotnet-version: 3.1.100
+  
       - name: Build All
-        run: .\build\build-all.ps1
-        shell: pwsh
-
+        run: .\build-all.ps1
+        working-directory: .\build
+        shell: powershell
+  
       - name: Test All
-        run: .\build\test-all.ps1
-        shell: pwsh
+        run: .\test-all.ps1
+        working-directory: .\build
+        shell: powershell
+