patch 9.1.1191: tests: test for patch 9.1.1186 doesn't fail without the patch

Problem:  Test for patch 9.1.1186 doesn't fail without the patch.
Solution: Set 'nomodeline' in the test (zeertzjq).

closes: #16835

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/insert.txt b/runtime/doc/insert.txt
index ef21e36..5c0ebcf 100644
--- a/runtime/doc/insert.txt
+++ b/runtime/doc/insert.txt
@@ -1,4 +1,4 @@
-*insert.txt*    For Vim version 9.1.  Last change: 2025 Mar 08
+*insert.txt*    For Vim version 9.1.  Last change: 2025 Mar 09
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -663,8 +663,8 @@
 
 When inserting a selected candidate word from the |popup-menu|, the part of
 the candidate word that does not match the query is highlighted using
-|hl-ComplMatchIns|. If fuzzy is enabled in 'completopt', highlighting will not
-be applied.
+|hl-ComplMatchIns|.  If fuzzy is enabled in 'completeopt', highlighting will
+not be applied.
 
 							*complete_CTRL-E*
 When completion is active you can use CTRL-E to stop it and go back to the