private void initializeNewTest() {
        bulletAppState = new BulletAppState();
        bulletAppState.setDebugEnabled(physicsDebug);
        stateManager.attach(bulletAppState);

        bulletAppState.setSpeed(bulletSpeed);

        dropTest();

        Geometry leftFloor = PhysicsTestHelper.createMeshTestFloor(assetManager, 20, new Vector3f(-11, -5, -10));
        addObject(leftFloor);

        //Hide physics debug visualization for floors
        if (physicsDebug) {
            BulletDebugAppState bulletDebugAppState = stateManager.getState(BulletDebugAppState.class);
            bulletDebugAppState.setFilter((Object obj) -> {
                return !(obj.equals(leftFloor.getControl(RigidBodyControl.class)));
            });
        }
    }
Test demonstrating a GImpactCollisionShape falling through a curved mesh, when using JBullet. Bullet native
does not experience this issue at the time this test was created.

@author lou
jme3-examples/src/main/java/jme3test/bullet/TestIssue1120.java