patch 8.2.0905: test coverage could be better

Problem:    Test coverage could be better.
Solution:   Add a couple of tests. (Dominique Pelle, closes #6202)
diff --git a/src/version.c b/src/version.c
index 3d24837..377928c 100644
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    905,
+/**/
     904,
 /**/
     903,