public function providerGetEmployeesAvg()
{
$employee0 = new Developer();
$employee0->setId(1);
$employee0->setName('NAME');
$employee0->setLastName('LASTNAME');
$employee0->setAge(33);
$testCase01 = array('param' => array($employee0), 'expect' => array('avg' => 33));
$employee2 = new Developer();
$employee2->setId(1);
$employee2->setName('NAME');
$employee2->setLastName('LASTNAME');
$employee2->setAge(21);
$employee3 = new Developer();
$employee3->setId(1);
$employee3->setName('NAME');
$employee3->setLastName('LASTNAME');
$employee3->setAge(33);
$testCase02 = array('param' => array($employee2, $employee3), 'expect' => array('avg' => 27));
return array($testCase01, $testCase02);
}