Revert "Temporarily run tests directly, without xcbeautify"

This reverts commit d2f63bc.

Author: finestructure

.github/workflows/ci.yml

@@ -42,8 +42,27 @@ jobs:
       - name: Install unzip (for tests) and zstd (for faster caching)
         run: apt-get update && apt-get install -y unzip zstd
 
+      - name: Restore .build
+        if: ${{ !(github.run_attempt > 1) }} # Because maybe the cache is causing issues
+        id: "restore-cache"
+        uses: actions/cache/restore@v5
+        with:
+          path: .build
+          key: "spi-debug-build-${{ runner.os }}-${{ github.event.after }}"
+          restore-keys: "spi-debug-build-${{ runner.os }}-"
+
+      - name: Build tests
+        run: cp .env.testing.template .env.testing && make build-tests
+
+      - name: Cache .build
+        if: steps.restore-cache.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v5
+        with:
+          path: .build
+          key: "spi-debug-build-${{ runner.os }}-${{ github.event.after }}"
+
       - name: Run tests
-        run: cp .env.testing.template .env.testing && swift test
+        run: cp .env.testing.template .env.testing && make run-tests
         env:
           COLLECTION_SIGNING_PRIVATE_KEY: ${{ secrets.COLLECTION_SIGNING_PRIVATE_KEY }}