patch 8.0.0438: the fnamemodify test may cause later tests to fail
Problem: The fnamemodify test changes 'shell' in a way later tests may not
be able to use system().
Solution: Save and restore 'shell'.
diff --git a/src/testdir/test_fnamemodify.vim b/src/testdir/test_fnamemodify.vim
index 2267e18..1c2a80d 100644
--- a/src/testdir/test_fnamemodify.vim
+++ b/src/testdir/test_fnamemodify.vim
@@ -1,6 +1,8 @@
" Test filename modifiers.
func Test_fnamemodify()
+ let save_home = $HOME
+ let save_shell = &shell
let $HOME = fnamemodify('.', ':p:h:h')
set shell=sh
@@ -39,7 +41,9 @@
call assert_equal("'abc\ndef'", fnamemodify("abc\ndef", ':S'))
set shell=tcsh
call assert_equal("'abc\\\ndef'", fnamemodify("abc\ndef", ':S'))
- set shell&
+
+ let $HOME = save_home
+ let &shell = save_shell
endfunc
func Test_expand()