Test for expanding file names

STARTTEST
:!mkdir dir1
:!mkdir dir2
:!mkdir dir3
:cd dir3
:!mkdir dir4
:cd ..
:w dir1/file
:w dir3/dir4/file
:n dir?/*/file
Go%:.w! test.out
:n! dir?/*/nofile
Go%:.w >>test.out
:e! xx
:!rm -rf dir1 dir2 dir3
:qa!
ENDTEST