Corrected the cause of malfunction in scene other than game: Concat () is a Linq method, so it returns the result of performing the action.

This reverts commit 51779acb.

Thanks to refactoring.

Create module because class 'SourceBuffer' and class 'KinectAccessManager' access
Since I have extracted the class, correct the test code for class 'SourceBuffer'
Create the test code for class 'KinectAccessManager'

Complete tests for class 'SourceBuffer'