public function testSetGetNormalisedRoles()
 {
     $roles = array('guest', 'user', 'junior-admin');
     $this->user->setFromNormalisedRoles($roles);
     $this->assertEquals($roles, $this->user->getNormalisedRoles());
     $this->user->setRoles($this->user->getRoles());
     $this->assertEquals($roles, $this->user->getNormalisedRoles());
 }