diff --git a/stubs/api/admin.js b/stubs/api/admin.js
new file mode 100644
index 0000000..e8c5a07
--- /dev/null
+++ b/stubs/api/admin.js
@@ -0,0 +1,38 @@
+/* eslint-disable no-undef */
+/* eslint-disable @typescript-eslint/no-require-imports */
+const router = require('express').Router();
+
+const STUBS = { masters: 'success', orders: 'success' };
+
+router.get('/set/:name/:value', (req, res) => {
+  const { name, value } = req.params;
+
+  STUBS[name] = value;
+
+  res.send('ok');
+});
+
+router.get('/', (req, res) => {
+  res.send(`<div>
+    <fieldset> 
+    <legend>Мастера</legend>
+      ${generateRadioInput('masters', 'success')}
+      ${generateRadioInput('masters', 'error')}
+    </fieldset>
+    <fieldset> 
+    <legend>Заказы</legend>
+      ${generateRadioInput('orders', 'success')}
+      ${generateRadioInput('orders', 'error')}
+    </fieldset>
+</div>`);
+});
+
+module.exports = router;
+module.exports.STUBS = STUBS;
+
+function generateRadioInput(name, type) {
+  return `<label> 
+      <input  ${STUBS[name] === type ? 'checked' : ''}  onclick="fetch('/api/admin/set/${name}/${type}')" type="radio" name="${name}"> 
+      ${type}
+    </label>`;
+}
\ No newline at end of file
diff --git a/stubs/api/index.js b/stubs/api/index.js
index 6a7dc94..22ac104 100644
--- a/stubs/api/index.js
+++ b/stubs/api/index.js
@@ -2,63 +2,34 @@
 /* eslint-disable @typescript-eslint/no-require-imports */
 const router = require('express').Router();
 
-const commonError = { success: false, message: 'Что то пошло не так' };
+const STUBS = require('./admin').STUBS;
 
-const stubs = { masters: 'success', orders: 'success' };
+const commonError = { success: false, message: 'Что-то пошло не так' };
+
+const sleep = (duration = 300) => (req, res, next) => setTimeout(next, duration);
+
+router.use(sleep());
 
 router.get('/arm/masters', (req, res) => {
   res
-    .status(/error/.test(stubs.masters) ? 500 : 200)
+    .status(/error/.test(STUBS.masters) ? 500 : 200)
     .send(
-      /^error$/.test(stubs.masters)
+      /^error$/.test(STUBS.masters)
         ? commonError
-        : require(`../json/arm-masters/${stubs.masters}.json`),
+        : require(`../json/arm-masters/${STUBS.masters}.json`),
     );
 });
 
 router.get('/arm/orders', (req, res) => {
   res
-    .status(/error/.test(stubs.orders) ? 500 : 200)
+    .status(/error/.test(STUBS.orders) ? 500 : 200)
     .send(
-      /^error$/.test(stubs.orders)
+      /^error$/.test(STUBS.orders)
         ? commonError
-        : require(`../json/arm-orders/${stubs.orders}.json`),
+        : require(`../json/arm-orders/${STUBS.orders}.json`),
     );
 });
 
-router.get('/admin', (req, res) => {
-  res.send(`<div>
-  <fieldset > 
-  <legend>Мастера</legend>
-    <label> 
-      <input  ${stubs.masters === 'success' ? 'checked' : ''}  onclick="fetch('/api/admin/set/masters/success')" type="radio" name="masters"> 
-      success
-    </label>
-      <label>
-        <input ${stubs.masters === 'error' ? 'checked' : ''} onclick="fetch('/api/admin/set/masters/error')" type="radio" name="masters" > 
-        error
-    </label>
-    </fieldset>
-      <fieldset > 
-  <legend>Заказы</legend>
-    <label> 
-      <input  ${stubs.orders === 'success' ? 'checked' : ''}  onclick="fetch('/api/admin/set/orders/success')" type="radio" name="orders">
-      success
-    </label>
-      <label>
-        <input ${stubs.orders === 'error' ? 'checked' : ''} onclick="fetch('/api/admin/set/orders/error')" type="radio" name="orders" > 
-        error
-    </label>
-    </fieldset>
-</div>`);
-});
+router.use('/admin', require('./admin'));
 
-router.get('/admin/set/:name/:value', (req, res) => {
-  const { name, value } = req.params;
-
-  stubs[name] = value;
-
-  res.send('ok');
-});
-
-module.exports = router;
+module.exports = router;
\ No newline at end of file