@Test
public void testInitializeMbTilesLayersWithVectorTiles() {

    List<File> offlineFiles = Collections.singletonList(new File("src/test/resources/trails.mbtiles"));
    mbTilesHelper.initializeMbTileslayers(style, offlineFiles);
    assertNotNull(mbTilesHelper.tileServer);
    verify(style).addLayer(any(FillLayer.class));
    verify(style).addLayer(any(LineLayer.class));
    verify(style).addSource(any(Source.class));
}