public function testCanRemoveGroup()
{
// Try to delete group that does not exist
$this->assertFalse($this->adapter->deleteResourceGroup('g1'));
$this->assertTrue($this->adapter->addResourceGroup('g1', ['images.get', 'images.head']));
$this->assertSame(['images.get', 'images.head'], $this->adapter->getGroup('g1'));
$this->assertTrue($this->adapter->deleteResourceGroup('g1'));
$this->assertSame(false, $this->adapter->getGroup('g1'));
}