Implement test workflow

Author: Majrmisk

.github/workflows/dotnet.yml

@@ -0,0 +1,21 @@
+name: .NET tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 8.0.x
+      - name: Restore
+        run: dotnet restore tests/FairSplit.Tests/FairSplit.Tests.csproj
+      - name: Test
+        run: dotnet test tests/FairSplit.Tests/FairSplit.Tests.csproj --configuration Release