Jump to/from test file for the current buffer.
Install using your favorite package manager, or use Vim's built-in package support:
mkdir -p ~/.vim/pack/default/start
git clone $REPO_URL ~/.vim/pack/default/start/jumptest
vim -u NONE -c "helptags jumptest/doc" -c q
Just run :JumpTest
in a buffer that has a file name.
Copyright (c) Jeremy Cantrell. Distributed under the same terms as Vim
itself. See :help license
.