feat: added unit test

packages/core/test/fonts_gen_test.dart

@@ -39,5 +39,15 @@ void main() {
 
       await expectedFontsGen(pubspec, generated, fact);
     });
+
+    test('Package parameter enabled', () async {
+      const pubspec = 'test_resources/pubspec_fonts_package_parameter.yaml';
+      const fact =
+          'test_resources/actual_data/fonts_package_parameter.gen.dart';
+      const generated =
+          'test_resources/lib/gen/fonts_package_parameter.gen.dart';
+
+      await expectedFontsGen(pubspec, generated, fact);
+    });
   });
 }

packages/core/test_resources/pubspec_fonts_package_parameter.yaml

@@ -0,0 +1,17 @@
+name: test
+
+flutter_gen:
+  output: lib/gen/ # Optional (default: lib/gen/)
+  line_length: 80 # Optional (default: 80)
+
+  fonts:
+    outputs:
+      package_parameter_enabled: true
+
+flutter:
+  fonts:
+    - family: Raleway
+      fonts:
+        - asset: assets/fonts/Raleway-Regular.ttf
+        - asset: assets/fonts/Raleway-Italic.ttf
+          style: italic