test: test coverage and removed layer unnecessary tests for spaceship

test/game/components/spaceship_test.dart

@@ -54,17 +54,6 @@ void main() {
 
         verify(game.reorderChildren).called(1);
       });
-
-      test('changes the filter data from the ball fixtures', () {
-        SpaceshipEntranceBallContactCallback().begin(
-          entrance,
-          ball,
-          MockContact(),
-        );
-
-        verify(() => filterData.maskBits = 0x0002).called(1);
-        verify(() => filterData.categoryBits = 0x0002).called(1);
-      });
     });
 
     group('SpaceshipHoleBallContactCallback', () {
@@ -87,17 +76,6 @@ void main() {
 
         verify(game.reorderChildren).called(1);
       });
-
-      test('changes the filter data from the ball fixtures', () {
-        SpaceshipHoleBallContactCallback().begin(
-          hole,
-          ball,
-          MockContact(),
-        );
-
-        verify(() => filterData.categoryBits = 0xFFFF).called(1);
-        verify(() => filterData.maskBits = 0x0001).called(1);
-      });
     });
   });
 }

test/game/pinball_game_test.dart

@@ -25,9 +25,7 @@ void main() {
           final walls = game.children.where(
             (component) => component is Wall && component is! BottomWall,
           );
-          // TODO(allisonryan0002): expect 3 when launch track is added and
+          expect(walls.length, 3);
-          // temporary wall is removed.
-          expect(walls.length, 4);
         },
       );