patch 9.1.1511: tests: two edit tests change v:testing from 1 to 0

Problem:  tests: two edit tests change v:testing from 1 to 0.
Solution: Don't change v:testing in these two tests, since it's already
          set to 1 in runtest.vim (zeertzjq).

closes: #17660

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 4175c62..feedd92 100644
--- a/src/version.c
+++ b/src/version.c
@@ -720,6 +720,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1511,
+/**/
     1510,
 /**/
     1509,