patch 8.2.1120: Python code not tested properly

Problem:    Python code not tested properly.
Solution:   Add more tests and convert old-style test into new-style test.
            (Yegappan Lakshmanan, closes #6370)
diff --git a/src/version.c b/src/version.c
index ae2a95f..c13c6e6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -755,6 +755,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1120,
+/**/
     1119,
 /**/
     1118,