Update tests

src/trait_manager/model/Traits.js

@@ -7,7 +7,7 @@ export default Backbone.Collection.extend({
   model: Trait,
 
   initialize(coll, options = {}) {
-    this.em = options.em || '';
+    this.em = options.em;
     this.listenTo(this, 'add', this.handleAdd);
     this.listenTo(this, 'reset', this.handleReset);
   },

test/specs/dom_components/model/Component.js

@@ -547,13 +547,13 @@ describe('Link Component', () => {
     <div>text</div>
     <div>here </div>`;
     obj = ComponentLink.isComponent(aEl);
-    expect(obj).toEqual({ type: 'link', editable: 0 });
+    expect(obj).toEqual({ type: 'link', editable: false });
   });
 
   test('Link element with only an image inside is not editable', () => {
     aEl.innerHTML = '<img src="##"/>';
     obj = ComponentLink.isComponent(aEl);
-    expect(obj).toEqual({ type: 'link', editable: 0 });
+    expect(obj).toEqual({ type: 'link', editable: false });
   });
 });