Add integration tests for sharing permissions

Signed-off-by: Julius Härtl <jus@bitgrid.net>

tests/integration/features/bootstrap/ServerContext.php

@@ -1,11 +1,7 @@
 <?php
 
 use Behat\Behat\Context\Context;
-use Behat\Gherkin\Node\TableNode;
-use GuzzleHttp\Client;
-use Behat\Gherkin\Node\PyStringNode;
 use GuzzleHttp\Cookie\CookieJar;
-use GuzzleHttp\Exception\ClientException;
 
 require_once __DIR__ . '/../../vendor/autoload.php';