File DataFlowLayerMapVSpec.js

test/leaflet/overlay/DataFlowLayerMapVSpec.js:None–None

import { dataFlowService } from '../../../src/leaflet/services/DataFlowService';
import { dataFlowLayer } from '../../../src/leaflet/overlay/DataFlowLayer';
import { Server } from 'mock-socket';
import * as mapv from 'mapv';