diff --git a/tests/scripts/run_tests.sh b/tests/scripts/run_tests.sh
index 3ba4718..6ec9615 100755
--- a/tests/scripts/run_tests.sh
+++ b/tests/scripts/run_tests.sh
@@ -197,6 +197,29 @@ function test_files {
     [ -e "$ISODIR/services" ] || fail "Missing file from iso"
 }
 
+# Test adding an updates.img file
+function add_updatesimg {
+    running "Add updates.img"
+
+    # nothing in the file, just test that it is there
+    touch /tmp/updates.img
+    mkksiso -u /tmp/updates.img $BOOTISO $OUTISO || exit 1
+    mount $OUTISO $ISODIR || exit 1
+
+    test_updatesimg
+
+    status "Add updates.img"
+    umount_dirs
+}
+
+function test_updatesimg {
+    [ -e "$ISODIR/updates.img" ] || fail "Missing file from iso"
+    grep "inst.updates=.*updates.img" "$ISODIR/isolinux/isolinux.cfg" || fail "Missing BIOS isolinux.cfg inst.updates entry"
+    grep "inst.updates=.*updates.img" "$ISODIR/EFI/BOOT/grub.cfg" || fail "Missing UEFI grub.cfg inst.updates entry"
+
+}
+
+
 # Remove quiet from the cmdline
 function remove_quiet {
     running "remove quiet from cmdline (no ks)"
@@ -220,7 +243,7 @@ function test_quiet {
 
 function test_quiet_x86 {
     # Is quiet in the BIOS config?
-    ! grep "append.*quiet" "$ISODIR/isolinux/isolinux.cfg" || fail "quiet not removed from BIOS grub.cfg cmdline entry"
+    ! grep "append.*quiet" "$ISODIR/isolinux/isolinux.cfg" || fail "quiet not removed from BIOS isolinux.cfg cmdline entry"
 
     # Is quiet in the UEFI config?
     ! grep "linux.*quiet" "$ISODIR/EFI/BOOT/grub.cfg" || fail "quiet not removed from UEFI grub.cfg cmdline entry"
@@ -244,32 +267,38 @@ function test_two_kickstarts {
 function run_all {
     running "Use all the options"
 
-    mkksiso -a /etc/services -V "mkksiso-test" -c "console=ttyS0,115200n8" --rm "quiet" --ks $KS $BOOTISO $OUTISO || exit 1
+    touch /tmp/updates.img
+    mkksiso -u /tmp/updates.img -a /etc/services -V "mkksiso-test" -c "console=ttyS0,115200n8" --rm "quiet" --ks $KS $BOOTISO $OUTISO || exit 1
     mount $OUTISO $ISODIR || exit 1
 
     test_ks
     test_serial
     test_volid
     test_files
+    test_updatesimg
     test_quiet
 
     status "Use all the options"
     umount_dirs
 }
 
-# All of the changes as a user (lorax-ted)
+# All of the changes as a user (lorax-ted) with --skip-mkefiboot
 function run_as_user {
+    running "Use all the options as a user"
+
     [ ! -e "/home/lorax-ted" ] && useradd -m lorax-ted
-    su - lorax-ted -c "mkksiso -a /etc/services -V "mkksiso-test" -c "console=ttyS0,115200n8" --rm "quiet" --ks $KS $BOOTISO $OUTISO" || exit 1
+    touch /tmp/updates.img
+    su - lorax-ted -c "mkksiso --skip-mkefiboot -u /tmp/updates.img -a /etc/services -V "mkksiso-test" -c "console=ttyS0,115200n8" --rm "quiet" --ks $KS $BOOTISO $OUTISO" || exit 1
     mount $OUTISO $ISODIR || exit 1
 
     test_ks
     test_serial
     test_volid
     test_files
+    test_updatesimg
     test_quiet
 
-    status "Use all the options as a user"
+    status "Use all the options as a user with --skip-mkefiboot"
     umount_dirs
 }
 
@@ -307,6 +336,7 @@ new_volid
 add_files
 remove_quiet
 test_two_kickstarts
+add_updatesimg
 run_all
 run_as_user