patch 8.2.0923: cmdline test is slow

Problem:    Cmdline test is slow.
Solution:   Use WaitForAssert().
diff --git a/src/version.c b/src/version.c
index 64871c9..5c39aa6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    923,
+/**/
     922,
 /**/
     921,