public function setPolicy()
{
$snippet = $this->snippetFromMethod(Iam::class, 'setPolicy');
$snippet->addLocal('iam', $this->iam);
$this->connection->getPolicy(Argument::any())->shouldBeCalled()->willReturn(['bindings' => [['members' => ['users:[email protected]']]]]);
$this->connection->setPolicy(['bindings' => [['members' => ['user:[email protected]']]]])->shouldBeCalled()->willReturn('foo');
$this->iam->setConnection($this->connection->reveal());
$res = $snippet->invoke('policy');
$this->assertEquals('foo', $res->returnVal());
}