text: describe('iD.svgVertices', function () {
      var context, surface,
          projection = d3.geoProjection(function(x, y) { return [x, -y]; })
              .translate([0, 0])
              .scale(180 / Math.PI)
              .clipExtent([[0, 0], [Infinity, Infinity]]);
  
      beforeEach(function () {
          context = iD.Context();
          d3.select(document.createElement('div'))
              .attr('id', 'map')
              .call(context.map());
          surface = context.surface();
      });
  
  
      it('adds the .shared class to vertices that are members of two or more ways', function () {
          var zoom = 17,
              node = iD.Node({loc: [0, 0]}),
              way1 = iD.Way({nodes: [node.id], tags: {highway: 'residential'}}),
              way2 = iD.Way({nodes: [node.id], tags: {highway: 'residential'}}),
              graph = iD.Graph([node, way1, way2]);
  
          surface.call(iD.svgVertices(projection, context), graph, [node], zoom);
  
          expect(surface.select('.vertex').classed('shared')).to.be.true;
      });
  });
  