@Test
void distance_map_should_return_value_from_distance_matrix_row() {

    PlanningLocation location2 = PlanningLocationFactory.testLocation(2);
    Distance distance = Distance.ofMillis(45000);
    DistanceMatrixRow matrixRow = locationId -> distance;
    DistanceMapImpl distanceMap = new DistanceMapImpl(matrixRow);
    assertThat(distanceMap.distanceTo(location2)).isEqualTo(distance.millis());
}