test: tests for spaceship ramp

packages/pinball_components/test/src/components/spaceship_entrance_ramp_test.dart

@@ -0,0 +1,27 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+import '../../helpers/helpers.dart';
+
+void main() {
+  group('SpaceshipEntranceRamp', () {
+    TestWidgetsFlutterBinding.ensureInitialized();
+    final flameTester = FlameTester(TestGame.new);
+
+    flameTester.test(
+      'loads correctly',
+      (game) async {
+        final spaceshipEntranceRamp = SpaceshipEntranceRamp();
+        await game.addFromBlueprint(spaceshipEntranceRamp);
+        await game.ready();
+
+        for (final element in spaceshipEntranceRamp.components) {
+          expect(game.contains(element), isTrue);
+        }
+      },
+    );
+  });
+}