patch 9.1.1008: tests: test for patch 9.1.1006 doesn't fail without the patch

Problem:  tests: test for patch 9.1.1006 doesn't fail without the patch
          (after v9.1.1006)
Solution: Add ctermbg=NONE to the highlight groups (zeertzjq).

closes: #16425

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/src/version.c b/src/version.c
index 45fcbd3..858034e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1008,
+/**/
     1007,
 /**/
     1006,