Improve unit test

Author: PeachScript

karma.conf.js

@@ -8,6 +8,9 @@ webpackConfig.vue = {
   }
 }
 
+// remove eslint
+delete webpackConfig.module.preLoaders;
+
 // Karma configuration
 module.exports = function(config) {
   config.set({

test/unit/specs/InfiniteLoading.spec.js

@@ -41,16 +41,15 @@ describe('InfiniteLoading.vue', () => {
   });
 
   afterEach(() => {
-    vm.$destroy();
+    vm.$destroy(true);
   });
 
-  it('should render a basic template', () => {
-    vm.isDivScroll = false;
-    vm.distance = undefined;
-
-    vm.$mount().$appendTo('body');
-
-    expect(vm.$el.querySelector('.loading-default')).to.be.ok;
+  it('should render a basic template', (done) => {
+    setTimeout(() => {
+      vm.$mount().$appendTo('body');
+      expect(vm.$el.querySelector('.loading-default')).to.be.ok;
+      done();
+    }, 1);
   });
 
   it('should execute callback and display a spinner immediately after initialize', (done) => {