Problem/Motivation
.module files are only necessary when there are preprocess functions now that almost all hooks can be OOP
Steps to reproduce
Open file
Proposed resolution
Move all functions in batch_test.callbacks.inc to BatchTestCallbacks
Move all functions in batch_test.module to BatchTestHelper
There is one test testing setFile create a new procedural file with the two callback functions needed for that called batch_test.set_file.php
Remaining tasks
None
User interface changes
N/A
Introduced terminology
N/A
API changes
N/A
Data model changes
N/A
Release notes snippet
N/A
