public function testToOptionArray()
{
$this->assertNotEmpty($this->_collection->toOptionArray());
foreach ($this->_collection->toOptionArray() as $item) {
$this->assertArrayHasKey('value', $item);
$this->assertArrayHasKey('label', $item);
}
}
/**
* Prepare select for load
*
* @return $this
*/
protected function _initSelect()
{
parent::_initSelect();
$this->addFieldToFilter('role_type', RoleGroup::ROLE_TYPE);
return $this;
}
