Run tests

.github/workflows/publishing.yml

@@ -176,9 +176,42 @@ jobs:
           path: Export/Fyreplace.pkg
           if-no-files-found: error
 
+  test:
+    name: Test
+    runs-on: macos-latest
+    strategy:
+      matrix:
+        platform:
+          - macOS
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          submodules: true
+
+      - name: Cache packages
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/Library/Caches/org.swift.swiftpm
+            ~/Library/Developer/Xcode/DerivedData/**/SourcePackages/checkouts
+            ~/Library/Developer/Xcode/DerivedData/**/SourcePackages/repositories
+          key: ${{ runner.os }}-${{ matrix.platform }}-spm-${{ hashFiles('**/Package.resolved') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.platform }}-spm-
+
+      - name: Run tests
+        run: |
+          xcodebuild test \
+            -scheme Fyreplace \
+            -only-testing FyreplaceTests
+
   publish:
     name: Publish
-    needs: build
+    needs:
+      - build
+      - test
     runs-on: macos-latest
     environment: apple-app-store
     strategy: