Ensure token works via header

tests/codecept/tests/api/GetUsersTokenHeaderCept.php

@@ -0,0 +1,21 @@
+<?php
+$I = new ApiGuy($scenario);
+$I->wantTo('get all users with header access token');
+$I->haveHttpHeader('Authorization', 'Bearer iamgod');
+$I->sendGET('api.php/users');
+$I->seeResponseCodeIs(200);
+$I->seeResponseIsJson();
+$I->seeResponseContainsJson([
+    [
+        'username'  =>  'alexbilbie',
+        'name'      =>  'Alex Bilbie',
+        'email'     =>  'hello@alexbilbie.com',
+        'photo'     =>  'https://s.gravatar.com/avatar/14902eb1dac66b8458ebbb481d80f0a3'
+    ],
+    [
+        'username'  =>  'philsturgeon',
+        'name'      =>  'Phil Sturgeon',
+        'email'     =>  'email@philsturgeon.co.uk',
+        'photo'     =>  'https://s.gravatar.com/avatar/14df293d6c5cd6f05996dfc606a6a951'
+    ]
+]);