patch 8.2.2700: nested autocmd test fails sometimes

Problem:    Nested autocmd test fails sometimes.
Solution:   Wait for the job to finish.
diff --git a/src/version.c b/src/version.c
index 6e770b2..2c195b9 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2700,
+/**/
     2699,
 /**/
     2698,