move mock to src

+export default {
+  'GET /api/403': (req, res) => {
+    res.status(403).send({
+      timestamp: 1513932555104,
+      status: 403,
+      error: 'Unauthorized',
+      message: 'Unauthorized',
+      path: '/base/category/list',
+    });
+  },
+};