public function testGetGroups()
 {
     $this->pool->setAdminServiceIds(array('sonata.user.admin.group1'));
     $this->pool->setAdminGroups(array('adminGroup1' => array('sonata.user.admin.group1' => array())));
     $expectedOutput = array('adminGroup1' => array('sonata.user.admin.group1' => 'adminUserClass'));
     $this->assertSame($expectedOutput, $this->pool->getGroups());
 }