test: add unit test for FinderProductsService getKeepaService method and update dispatch mock

Author: sni10

.env.example

@@ -1,5 +1,6 @@
 APP_SECRET=your-secret-key-here
 APP_ENV=test
+XDEBUG_MODE=coverage
 LOCK_DSN=flock
 
 KEEPA_API_KEY=your-keepa-api-key-here

.github/workflows/tests.yml

@@ -62,6 +62,15 @@ jobs:
         run: |
           docker compose exec -T php-keepa-api composer install --no-interaction --prefer-dist --optimize-autoloader
 
+      - name: Verify Xdebug installation
+        run: |
+          docker compose exec -T php-keepa-api php -v
+          docker compose exec -T php-keepa-api php -m | grep xdebug || echo "Xdebug not found"
+
+      - name: Create coverage directory
+        run: |
+          docker compose exec -T php-keepa-api mkdir -p var/coverage-report
+
       - name: Run PHPUnit with coverage
         run: |
           docker compose exec -e XDEBUG_MODE=${XDEBUG_MODE} php-keepa-api vendor/bin/phpunit \
@@ -73,11 +82,12 @@ jobs:
       - name: Copy coverage reports from container
         if: always()
         run: |
-          docker compose cp php-keepa-api:/var/www/keepa-api-data-extractor/var/coverage-report ./var/
+          mkdir -p ./var
+          docker compose cp php-keepa-api:/var/www/keepa-api-data-extractor/var/coverage-report ./var/ || echo "No coverage reports found in container"
 
       - name: Upload coverage reports
         uses: actions/upload-artifact@v4
-        if: always()
+        if: always() && hashFiles('var/coverage-report/**/*') != ''
         with:
           name: coverage-report
           path: var/coverage-report