create test workflow

.github/workflows/tests.yml

@@ -0,0 +1,40 @@
+name: tests
+
+on: [push, pull_request]
+
+jobs:
+
+  build:
+
+    strategy:
+      matrix:
+        configuration: [Release]
+
+    runs-on: windows-latest  # For a list of available runner types, refer to
+                             # https://help.github.com/en/actions/reference/workflow-syntax-for-github-actions#jobsjob_idruns-on
+
+    env:
+      Solution_Name: wpf-material-dialogs.sln                         # Replace with your solution name, i.e. MyWpfApp.sln.
+      Test_Project_Path: wpf-material-dialogs.test\wpf-material-dialogs.test.csproj                 # Replace with the path to your test project, i.e. MyWpfApp.Tests\MyWpfApp.Tests.csproj.
+      Wap_Project_Directory: src    # Replace with the Wap project directory relative to the solution, i.e. MyWpfApp.Package.
+      Wap_Project_Path: src\wpf-material-dialogs.csproj                   # Replace with the path to your Wap project, i.e. MyWpf.App.Package\MyWpfApp.Package.wapproj.
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    # Install the .NET Core workload
+    - name: Install .NET Core
+      uses: actions/setup-dotnet@v4
+      with:
+        dotnet-version: 8.0.x
+
+    # Add  MSBuild to the PATH: https://github.com/microsoft/setup-msbuild
+    - name: Setup MSBuild.exe
+      uses: microsoft/setup-msbuild@v2
+
+    # Execute all unit tests in the solution
+    - name: Execute unit tests
+      run: dotnet test