diff --git a/test/mdraid.config b/test/mdraid.config
index 5965ef2..3b8291a 100644
--- a/test/mdraid.config
+++ b/test/mdraid.config
@@ -1,9 +1,16 @@
-image test.mdraid {
+image test.mdraid-a {
 	mdraid {
 		level = 1
+		devices = 2
 		timestamp = 638022222
 		raid-uuid = "de9980f1-0449-4e83-84bd-98e4b1ca3fe3"
 		disk-uuid = "eb3b107b-ae9d-4c6b-994a-ec412d36959b"
 	}
 	size = 5M
 }
+
+image test.mdraid-b {
+	mdraid {
+		inherit = "test.mdraid-a"
+	}
+}
diff --git a/test/misc.test b/test/misc.test
index d930ac2..d6fc9e8 100755
--- a/test/misc.test
+++ b/test/misc.test
@@ -106,12 +106,16 @@ test_expect_success fiptool "fip" "
 
 exec_test_set_prereq mdadm
 test_expect_success mdadm "mdraid" "
-	run_genimage_root mdraid.config test.mdraid &&
-	LANG=C mdadm --examine images/test.mdraid | tee images/test.mdraid.txt &&
-	grep 'Checksum.*correct$' images/test.mdraid.txt &&
-	grep 'State.*active$' images/test.mdraid.txt &&
-	grep 'Internal Bitmap.*sectors' images/test.mdraid.txt &&
-	grep 'Bad Block Log.*entries available' images/test.mdraid.txt
+	run_genimage_root mdraid.config test.mdraid-a &&
+	LANG=C mdadm --examine images/test.mdraid-a | tee images/test.mdraid-a.txt &&
+	LANG=C mdadm --examine images/test.mdraid-b | tee images/test.mdraid-b.txt &&
+	grep 'Checksum.*correct$' images/test.mdraid-a.txt &&
+	grep 'State.*active$' images/test.mdraid-a.txt &&
+	grep 'Internal Bitmap.*sectors' images/test.mdraid-a.txt &&
+	grep 'Bad Block Log.*entries available' images/test.mdraid-a.txt &&
+	grep -Ev '(Device UUID|Checksum|Device Role) :' images/test.mdraid-a.txt | tail -n +2 > images/test.mdraid-a.arr.txt &&
+	grep -Ev '(Device UUID|Checksum|Device Role) :' images/test.mdraid-b.txt | tail -n +2 > images/test.mdraid-b.arr.txt &&
+	diff images/test.mdraid-a.arr.txt images/test.mdraid-b.arr.txt
 "
 
 test_done