patch 8.2.2708: test sometimes fails waiting for shell in terminal

Problem:    Test sometimes fails waiting for shell in terminal.
Solution:   Use WaitForAssert() so we can see the actual job status.  Use
            Run_shell_in_terminal().
diff --git a/src/version.c b/src/version.c
index 754e607..2b0955c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2708,
+/**/
     2707,
 /**/
     2706,