patch 9.0.1886: Various Typos

Problem:  Various Typos
Solution: Fix Typos

This is a collection of typo related commits.

closes: #12753
closes: #13016

Co-authored-by: Adri Verhoef <a3@a3.xs4all.nl>
Co-authored-by: zeertzjq <zeertzjq@outlook.com>
Co-authored-by: Viktor Szépe <viktor@szepe.net>
Co-authored-by: nuid64 <lvkuzvesov@proton.me>
Co-authored-by: Meng Xiangzhuo <aumo@foxmail.com>
Co-authored-by: Dominique Pellé <dominique.pelle@gmail.com>

Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/testdir/test_autocmd.vim b/src/testdir/test_autocmd.vim
index b74dda9..1b9ecc9 100644
--- a/src/testdir/test_autocmd.vim
+++ b/src/testdir/test_autocmd.vim
@@ -2025,8 +2025,8 @@
 " Test for BufUnload autocommand that unloads all the other buffers
 func Test_bufunload_all()
   let g:test_is_flaky = 1
-  call writefile(['Test file Xxx1'], 'Xxx1', 'D')"
-  call writefile(['Test file Xxx2'], 'Xxx2', 'D')"
+  call writefile(['Test file Xxx1'], 'Xxx1', 'D')
+  call writefile(['Test file Xxx2'], 'Xxx2', 'D')
 
   let content =<< trim [CODE]
     func UnloadAllBufs()