Преминете към началната клонка git

git switch <branch_name>

git checkout <branch_name> 

git checkout master
git pull origin master
git merge test
git push origin master

$ git checkout <existing_branch>

$ git checkout -b <new_branch>

$ git checkout -b [your_branch_name]
# Switched to a new branch [your_branch_name]

# This is shorthand for:
$ git branch [your_branch_name]
$ git checkout [your_branch_name]

git checkout -b branch-name