patch 8.2.0409: search test leaves file behind

Problem:    Search test leaves file behind.
Solution:   Delete the file.  Also use Check commands.
diff --git a/src/version.c b/src/version.c
index 35de428..8c7e5d6 100644
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    409,
+/**/
     408,
 /**/
     407,