try to fix Ci test env setup

Signed-off-by: Ihor Dykhta <dikhta.igor@gmail.com>

Author: igorDykhta

test/helpers/layer-utils.js

@@ -4,7 +4,7 @@
 /* eslint-disable enzyme-deprecation/no-mount */
 import {LayerManager, MapView} from '@deck.gl/core';
 import React from 'react';
-import {gl} from '@deck.gl/test-utils';
+import {gl, device} from '@deck.gl/test-utils';
 import sinon from 'sinon';
 import {mount} from 'enzyme';
 import {console as Console} from 'global/window';
@@ -209,7 +209,7 @@ export function testRenderDeckLayer(t, layerType, deckLayers, {viewport, layerMa
       height: viewport.height,
       viewState: viewport
     });
-    deckLayerManager = new LayerManager(gl, {viewport: testViewport});
+    deckLayerManager = new LayerManager(device, {viewport: testViewport});
   }
 
   const spy = sinon.spy(Console, 'error');
@@ -322,7 +322,7 @@ export function testUpdateLayer(t, {layerConfig, shouldUpdate}) {
     viewState: mapState
   });
 
-  const layerManager = new LayerManager(gl, {viewport: testViewport});
+  const layerManager = new LayerManager(device, {viewport: testViewport});
 
   let rendered = renderLayerByState(t, stateWithLayer, layerManager);
   const attributeValues = Object.keys(

test/setup-browser-env.js

@@ -128,9 +128,11 @@ global.fetch = window.fetch;
 
 // Create a dummy canvas for the headless gl context
 const canvas = global.document.createElement('canvas');
-canvas.width = gl.drawingBufferWidth;
-canvas.height = gl.drawingBufferHeight;
-gl.canvas = canvas;
+if (gl && typeof gl === 'object') {
+  canvas.width = gl.drawingBufferWidth;
+  canvas.height = gl.drawingBufferHeight;
+  gl.canvas = canvas;
+}
 
 Object.keys(global.window).forEach(property => {
   if (typeof global[property] === 'undefined') {