public function testSetBindings()
{
$role = 'test';
$members = ['user:[email protected]'];
$builder = new PolicyBuilder();
$builder->addBinding($role, $members);
$result = $builder->result();
$policy = ['bindings' => [['role' => $role, 'members' => $members]]];
$this->assertEquals($policy, $result);
$newMembers = ['group:[email protected]'];
$builder->setBindings([['role' => $role, 'members' => $newMembers]]);
$newResult = $builder->result();
$newPolicy = ['bindings' => [['role' => $role, 'members' => $newMembers]]];
$this->assertEquals($newPolicy, $newResult);
}