Add test step

.forgejo/workflows/pr-checks.yml

@@ -6,9 +6,7 @@ on:
 
 jobs:
   lint:
-    runs-on: docker
-    container:
-      image: swift:6.3
+    runs-on: swift-latest
     steps:
       - name: Install Node.js
         run: apt-get update -qq && apt-get install -y -qq nodejs
@@ -17,7 +15,7 @@ jobs:
         run: swift format lint --recursive Sources/
 
   flatpak-build:
-    runs-on: docker
+    runs-on: flatpak-builder-lint
     container:
       image: ghcr.io/flathub/flatpak-builder-lint:latest
       options: --privileged --security-opt seccomp=unconfined --security-opt apparmor=unconfined
@@ -32,3 +30,7 @@ jobs:
           bundle: Luminate.flatpak
           cache-key: flatpak-pr-${{ forge.sha }}
           upload-artifact: false
+          keep-build-dirs: true
+      - name: Run tests
+        run: |
+          flatpak-builder --run flatpak_app dev.bscubed.Luminate.json swift test --enable-code-coverage