public function testInGroups()
{
$this->subject->setGroups(['one', 'two', 'three']);
$result = $this->subject->inGroups(['five', 'two', 'six']);
$this->assertTrue($result);
$result = $this->subject->inGroups(['eight', 'seven']);
$this->assertFalse($result);
$result = $this->subject->inGroups([]);
$this->assertFalse($result);
}