/**
* @covers ::getGroups
*/
public function testGetGroups()
{
$groups = ['FOO' => 'BAR'];
// Use PHPUnit for mocking, because Prophecy cannot mock methods that return
// by reference. See \Prophecy\Doubler\Generator\Node::getCode().
$decorated_form_state = $this->getMock(FormStateInterface::class);
$decorated_form_state->expects($this->once())->method('getGroups')->willReturn($groups);
$this->formStateDecoratorBase = new NonAbstractFormStateDecoratorBase($decorated_form_state);
$this->assertSame($groups, $this->formStateDecoratorBase->getGroups());
}
