public function testShouldUpdateRememberToken()
{
// Set
$provider = $this->getProvider();
$user = m::mock(Authenticatable::class);
// Expectations
$user->shouldReceive('save')->once()->with()->andReturn(true);
// Actions
$provider->updateRememberToken($user, '1234');
// Assertions
$this->assertEquals('1234', $user->remember_token);
}