Undefined index: status

[flik]

getting error:

$ phpunit SampleTest.php
PHPUnit 3.7.21 by Sebastian Bergmann.

E

Time: 0 seconds, Memory: 4.00Mb

There was 1 error:

1) SampleTest::test
Undefined index: status

D:\xampp\htdocs\automation\WebDriver-PHP\WebDriver\Driver.php:173
D:\xampp\htdocs\automation\WebDriver-PHP\WebDriver\Driver.php:42
D:\xampp\htdocs\automation\WebDriver-PHP\WebDriver\Driver.php:119
D:\xampp\htdocs\automation\WebDriver-PHP\WebDriver\Driver.php:124
D:\xampp\htdocs\automation\WebDriver-PHP\SampleTest.php:41

FAILURES!
Tests: 1, Assertions: 1, Errors: 1.