Identification of the soundtrack that plays just before the ending of Naruto Episode 5? What is the name of the soundtrack that plays just before the end of episode 5 of Naruto: 'You Failed! Kakashi's Final Decision'? 

It plays after the guitar solo and right before the ending credits play. It starts when Naruto, Sakura, and Sasuke realize they have just passed their teamwork test to become Ninjas. Naruto was tied to a tree trunk, Sakura and Sasuke were eating and decided to share their lunch with Naruto.
The songs name is "Victory" from Naruto OST 1.  https://youtu.be/Ls0IE8uPp4g