@Test
public void testSetMBTileLayers() {

    ReflectionHelpers.setField(mbTilesHelper, "mbtilesDir", new File("src/test/resources/"));
    mbTilesHelper.setMBTileLayers(context, switcherPlugin);
    verify(switcherPlugin, times(2)).addBaseLayer(any(MBTilesLayer.class), eq(false));
}