diff --git a/tests/scripts/run_tests.sh b/tests/scripts/run_tests.sh
index ea1e625..d544946 100755
--- a/tests/scripts/run_tests.sh
+++ b/tests/scripts/run_tests.sh
@@ -39,14 +39,27 @@ function umount_dirs {
 
 # Only add kickstart
 function ks_only {
-    running "Add kickstart to iso"
+    running "Add kickstart to iso using --ks"
 
     mkksiso --ks $KS $BOOTISO $OUTISO || exit 1
     mount $OUTISO $ISODIR || exit 1
 
     test_ks
 
-    status "Add kickstart"
+    status "Add kickstart to iso using --ks"
+    umount_dirs
+}
+
+# Only add kickstart
+function ks_pos_only {
+    running "Add kickstart to iso using positional argument"
+
+    mkksiso $KS $BOOTISO $OUTISO || exit 1
+    mount $OUTISO $ISODIR || exit 1
+
+    test_ks
+
+    status "Add kickstart to iso using positional argument"
     umount_dirs
 }
 
@@ -155,6 +168,15 @@ function test_quiet {
     ! grep "linux.*quiet" "$ISODIR/EFI/BOOT/grub.cfg" || fail "quiet not removed from UEFI grub.cfg cmdline entry"
 }
 
+# Test error if passing both --ks FILE and 3 arguments
+function test_two_kickstarts {
+    running "Test two kickstart error"
+
+    mkksiso --ks $KS $KS $BOOTISO $OUTISO && fail "No error using --ks and positional argument"
+
+    status  "Test two kickstart error"
+}
+
 
 function test_files {
     [ -e "$ISODIR/services" ] || fail "Missing file from iso"
@@ -214,11 +236,13 @@ fi
 
 # Test mkksiso on the new boot.iso
 ks_only
+ks_pos_only
 ks_serial
 only_serial
 new_volid
 add_files
 remove_quiet
+test_two_kickstarts
 run_all
 run_as_user