test: add fixtures

jest/__fixtures__/site-metadata.js

@@ -0,0 +1,41 @@
+'use strict';
+
+module.exports = {
+  site: {
+    siteMetadata: {
+      url: 'http://localhost',
+      title: 'Test title',
+      subtitle: 'Test subtitle',
+      copyright: 'Test copyright',
+      disqusShortname: '',
+      postsPerPage: 4,
+      menu: [
+        {
+          label: 'Test label 1',
+          path: '/test/1/'
+        },
+        {
+          label: 'Test label 2',
+          path: '/test/2/'
+        },
+        {
+          label: 'Test label 3',
+          path: '/test/3/'
+        }
+      ],
+      author: {
+        name: 'Test name',
+        photo: '/test.jpg',
+        bio: 'Test bio',
+        contacts: {
+          email: '#',
+          telegram: '#',
+          twitter: '#',
+          github: '#',
+          rss: '#',
+          vkontakte: '#'
+        }
+      }
+    }
+  }
+};