Unit tests could help especially with the indent fn. There are probably a few cases broken currently: guns/vim-clojure-static#83

Not sure how these are usually done with Vimscript.

We could probably copy test cases from some other project for a start:
https://github.com/clojure-emacs/clojure-mode/blob/master/test/clojure-mode-indentation-test.el
https://github.com/weavejester/cljfmt/blob/master/cljfmt/test/cljfmt/core_test.cljc#L11