Add test runner job to build-pr workflow (#1120)

* Run tests on build-pr run

* Oops

* Try again

* Please work

* Last try

* Only test projects with tests

* Name test steps

.github/workflows/build-pr.yml

@@ -7,7 +7,19 @@ on:
     types: [ opened, reopened ]
 
 jobs:
-
+  run-tests:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/[email protected]
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 6.0.x
+      - name: Run TwitchDownloaderCLI Tests
+        run: dotnet test TwitchDownloaderCLI.Tests
+      - name: Run TwitchDownloaderCore Tests
+        run: dotnet test TwitchDownloaderCore.Tests
+
   build-gui:
     runs-on: windows-latest
     env: