Improve unit tests

tests/units/Helper/UserHelperTest.php

@@ -0,0 +1,16 @@
+<?php
+
+require_once __DIR__.'/../Base.php';
+
+use Helper\User;
+
+class UserHelperTest extends Base
+{
+    public function testInitials()
+    {
+        $h = new User($this->container);
+
+        $this->assertEquals('CN', $h->getInitials('chuck norris'));
+        $this->assertEquals('A', $h->getInitials('admin'));
+    }
+}