@Test
public void testAddWkt() {

  GeometryCollectionBuilder geometryCollectionBuilder = new GeometryCollectionBuilder();
  geometryCollectionBuilder.addWkt("LINESTRING (30 10, 10 30, 40 40)");
  assertThat(
      geometryCollectionBuilder.toString(),
      is("GEOMETRYCOLLECTION (LINESTRING (30 10, 10 30, 40 40))"));
}