PHP Basic Test Page Doesn't Load (Netbeans 7.4 and WAMP) -

i'm studying basic php 0 , i'm starting install of wamp, services offered wamp runs no problem, localhost page , phpmyadmin. project folder placed on www folder. did pretty simple test page, here

<?php echo "this test" ?> 

but when load page, message appears:

the requested url /php/test.php not found on server.

it awesome can give hand with, i'm out of ideas this. hope can me in order start php studies. thank much.