All changes in this commit were automated using the command:
shfmt -w -i 2 -ci -bn bin/tests/system/ util/ $(find bin/tests/system/ -name "*.sh.in")
By default, only *.sh and files without extension are checked, so
*.sh.in files have to be added additionally. (See mvdan/sh#944)
(manually replayed commit 4cb8b13987)
ce014dbf4e