patch 8.0.0586: no test for mapping timing out

Problem:    No test for mapping timing out.
Solution:   Add a test.

src/version.c

@@ -764,6 +764,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    586,
 /**/
     585,
 /**/