GtfsRelationalDao gtfsDao = Mockito.mock(GtfsRelationalDao.class);
helper.setGtfsRelationalDao(gtfsDao);
AgencyAndId shapeId = new AgencyAndId("1", "shapeA");
ShapePoint p1 = point(47.652300128129454, -122.30622018270873);
ShapePoint p2 = point(47.653181844549394, -122.30523312979125);
ShapePoint p3 = point(47.654265901710744, -122.30511511259459);
List<ShapePoint> points = Arrays.asList(p1, p2, p3);
Mockito.when(gtfsDao.getShapePointsForShapeId(shapeId)).thenReturn(points);
ShapePoints shapePoints = helper.getShapePointsForShapeId(shapeId);