Removes linestring.test.js

Removes linestring.test.js and related pngs as linestring
style is already tested with the new approach.

test/rendering/ol/style/linestring.test.js

@@ -1,130 +0,0 @@
-import Feature from '../../../../src/ol/Feature.js';
-import LineString from '../../../../src/ol/geom/LineString.js';
-import Map from '../../../../src/ol/Map.js';
-import View from '../../../../src/ol/View.js';
-import VectorLayer from '../../../../src/ol/layer/Vector.js';
-import VectorSource from '../../../../src/ol/source/Vector.js';
-import Style from '../../../../src/ol/style/Style.js';
-import Stroke from '../../../../src/ol/style/Stroke.js';
-
-
-describe('ol.rendering.style.LineString', function() {
-
-  let map, vectorSource;
-
-  function createMap(renderer, opt_pixelRatio) {
-    const MapConstructor = Map;
-    const LayerConstructor = VectorLayer;
-
-    vectorSource = new VectorSource();
-    const vectorLayer = new LayerConstructor({
-      source: vectorSource
-    });
-
-    map = new MapConstructor({
-      pixelRatio: opt_pixelRatio || 1,
-      target: createMapDiv(50, 50),
-      layers: [vectorLayer],
-      view: new View({
-        projection: 'EPSG:4326',
-        center: [0, 0],
-        resolution: 1
-      })
-    });
-  }
-
-  afterEach(function() {
-    if (map) {
-      disposeMap(map);
-      map = null;
-    }
-  });
-
-  describe('different strokes', function() {
-
-    function createFeatures() {
-      let feature;
-
-      feature = new Feature({
-        geometry: new LineString(
-          [[-20, 20], [15, 20]]
-        )
-      });
-      feature.setStyle(new Style({
-        stroke: new Stroke({color: '#DE213A', width: 3})
-      }));
-      vectorSource.addFeature(feature);
-
-      feature = new Feature({
-        geometry: new LineString(
-          [[-20, 15], [15, 15]]
-        )
-      });
-      feature.setStyle(new Style({
-        stroke: new Stroke({color: '#9696EB', width: 1})
-      }));
-      vectorSource.addFeature(feature);
-
-      feature = new Feature({
-        geometry: new LineString(
-          [[-20, 10], [15, 10]]
-        )
-      });
-      feature.setStyle([new Style({
-        stroke: new Stroke({color: '#F2F211', width: 5})
-      }), new Style({
-        stroke: new Stroke({color: '#292921', width: 1})
-      })]);
-      vectorSource.addFeature(feature);
-
-      feature = new Feature({
-        geometry: new LineString(
-          [[-20, -20], [-2, 0], [15, -20]]
-        )
-      });
-      feature.setStyle(new Style({
-        stroke: new Stroke({
-          color: '#000000',
-          width: 2,
-          lineCap: 'square',
-          lineDash: [4, 8],
-          lineJoin: 'round'
-        })
-      }));
-      vectorSource.addFeature(feature);
-
-      feature = new Feature({
-        geometry: new LineString(
-          [[-20, -15], [-2, 5], [15, -15]]
-        )
-      });
-      feature.setStyle(new Style({
-        stroke: new Stroke({
-          color: '#000000',
-          width: 2,
-          lineCap: 'square',
-          lineDash: [4, 8],
-          lineDashOffset: 6,
-          lineJoin: 'round'
-        })
-      }));
-      vectorSource.addFeature(feature);
-    }
-
-    it('tests the canvas renderer', function(done) {
-      createMap('canvas');
-      createFeatures();
-      expectResemble(
-        map, 'rendering/ol/style/expected/linestring-strokes-canvas.png',
-        3.0, done);
-    });
-
-    it('tests the canvas renderer (HiDPI)', function(done) {
-      createMap('canvas', 2);
-      createFeatures();
-      expectResemble(
-        map, 'rendering/ol/style/expected/linestring-strokes-canvas-hidpi.png',
-        3.0, done);
-    });
-  });
-});