git: create “temporary” integration branch

Question

I am relatively new to using git.

recently from master we branched +-10 feature branches. lets call them A, B, C, etc.

I want to merge these all together for tes

Answer 1

Sure, that's fine.

By default (unless you squash merge commits), you'll retain the full history of each feature, and the history of their integration, even once the temporary branch is gone.