var assert = chai.assert;
describe('LMLayerWorker', function () {
  describe('LMLayerWorkerCode', function() {
    it('should exist!', function() {
      assert.isFunction(LMLayerWorkerCode,
        'Could not find LMLayerWorkerCode! Does embedded_worker.js exist?'
      );
    });
  });

  describe('Usage within a Web Worker', function () {
    it('should install itself in the worker context', function (done) {
      let wrapper = LMLayerWorkerCode.toString();
      let match = wrapper.match(/function[^{]+{((?:.|\n)+)}[^}]*$/);
      assert.isNotNull(match);
      let code = match[1];
      assert.isString(code);

      let blob = new Blob([code], { type: 'text/javascript' });
      debugger;
      let uri = URL.createObjectURL(blob);

      let worker = new Worker(uri);
      worker.onmessage = function thisShouldBeCalled(message) {
        done();
      };
      worker.postMessage({
        message: 'initialize',
        model: "return {model: {}, configuration: {}}"
      });
    });
  });
})

var assert = chai.assert;
describe('LMLayerWorkerCode', function() {
  it('should exist!', function() {
    assert.isFunction(LMLayerWorkerCode,
      'Could not find LMLayerWorkerCode! Does embedded_worker.js exist?'
    );
  });
});

--- 
+++ 
@@ -1,33 +1,8 @@
 var assert = chai.assert;
-describe('LMLayerWorker', function () {
-  describe('LMLayerWorkerCode', function() {
-    it('should exist!', function() {
-      assert.isFunction(LMLayerWorkerCode,
-        'Could not find LMLayerWorkerCode! Does embedded_worker.js exist?'
-      );
-    });
+describe('LMLayerWorkerCode', function() {
+  it('should exist!', function() {
+    assert.isFunction(LMLayerWorkerCode,
+      'Could not find LMLayerWorkerCode! Does embedded_worker.js exist?'
+    );
   });
-
-  describe('Usage within a Web Worker', function () {
-    it('should install itself in the worker context', function (done) {
-      let wrapper = LMLayerWorkerCode.toString();
-      let match = wrapper.match(/function[^{]+{((?:.|\n)+)}[^}]*$/);
-      assert.isNotNull(match);
-      let code = match[1];
-      assert.isString(code);
-
-      let blob = new Blob([code], { type: 'text/javascript' });
-      debugger;
-      let uri = URL.createObjectURL(blob);
-
-      let worker = new Worker(uri);
-      worker.onmessage = function thisShouldBeCalled(message) {
-        done();
-      };
-      worker.postMessage({
-        message: 'initialize',
-        model: "return {model: {}, configuration: {}}"
-      });
-    });
-  });
-})
+});
Write integration test for LMLayerWorker code.
