vim-patch:9.1.1420: tests: could need some more tests for shebang lines

Problem:  tests: could need some more tests for shebang lines
Solution: add more shebang patterns to test_filetype.vim
          (Eisuke Kawashima)

closes: vim/vim#17409

54a09e7e86

Co-authored-by: Eisuke Kawashima <e-kwsm@users.noreply.github.com>

test/old/testdir/test_filetype.vim

@@ -1069,9 +1069,14 @@ func s:GetScriptEnvChecks() abort
       \ 'perl': [['#!/usr/bin/env VAR=val perl']],
       \ 'scala': [['#!/usr/bin/env VAR=val VVAR=vval scala']],
       \ 'awk': [['#!/usr/bin/env --split-string=VAR= awk -vFS="," -f']],
+      \ 'ruby': [['#!/usr/bin/env --split-string=ruby --debug']],
+      \ 'sed': [['#!/usr/bin/env -iS sed -f']],
+      \ 'zsh': [['#!/usr/bin/env -iS VAR=val zsh -l']],
       \ 'execline': [['#!/usr/bin/env execlineb']],
       \ 'scheme': [['#!/usr/bin/env VAR=val --ignore-environment scheme']],
+      \ 'sh': [['#!/usr/bin/env -S --ignore-environment VAR= sh -u']],
       \ 'python': [['#!/usr/bin/env -S -i VAR=val python -B -u']],
+      \ 'csh': [['#!/usr/bin/env -S VAR= csh -f']],
       \ 'wml': [['#!/usr/bin/env VAR=val --split-string wml']],
       \ 'nix': [['#!/usr/bin/env nix-shell']],
       \ }