patch 8.1.1996: more functions can be used as methods
Problem: More functions can be used as methods.
Solution: Make various functions usable as a method.
diff --git a/src/testdir/test_bufwintabinfo.vim b/src/testdir/test_bufwintabinfo.vim
index 4e2c5d2..ee22ebd 100644
--- a/src/testdir/test_bufwintabinfo.vim
+++ b/src/testdir/test_bufwintabinfo.vim
@@ -47,7 +47,7 @@
tabnew | let w3_id = win_getid()
new | let w4_id = win_getid()
vert new | let w5_id = win_getid()
- call setwinvar(0, 'signal', 'green')
+ eval 'green'->setwinvar(0, 'signal')
tabfirst
let winlist = getwininfo()
call assert_equal(5, len(winlist))