Debug the target test - User Guides

After setting it as a target, right-click the test case in the ‘Unit Test’ view and click ‘Check Debug Information’
Run in debugging mode in Code Composer Studio
Click [File] > [Open] File in Code Composer Studio
Select the source file_number.c file with the function to be debugged in the Controller_Tester_workspace_path/.metadata/.plugins/com.codescroll.ut.embedded/project_name/TestFixture/cs
Add breakpoint where you want to debug
Run Debug