Merge branch 'js/default-branch-name-part-2'

Update the tests to drop word 'master' from them.

* js/default-branch-name-part-2:
  t9902: avoid using the branch name `master`
  tests: avoid variations of the `master` branch name
  t3200: avoid variations of the `master` branch name
  fast-export: avoid using unnecessary language in a code comment
  t/test-terminal: avoid non-inclusive language

diff --cc builtin/fast-export.c
Simple merge

diff --cc t/t3200-branch.sh
Simple merge