[new feature] Loading: add text-size prop

packages/loading/test/index.spec.js

@@ -0,0 +1,15 @@
+import { mount } from '../../../test/utils';
+import Loading from '..';
+
+test('text-size prop', () => {
+  const wrapper = mount(Loading, {
+    propsData: {
+      textSize: 20
+    },
+    scopedSlots: {
+      default: () => 'Text'
+    }
+  });
+
+  expect(wrapper).toMatchSnapshot();
+});