how to merge my branch in git code example

Example 1: git 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]

Example 2: how to merge git branch to master

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