nydus: Skip tests on dragonball for now

This is needed to workaround the following issue:
#5771

dragomball maintainers will help us to get this back in place later on.

Signed-off-by: Fabiano Fidêncio <[email protected]>
(cherry picked from commit 62afa00)

Author: fidencio

integration/nydus/nydus_tests.sh

@@ -30,8 +30,8 @@ containerd_config_backup="/tmp/containerd.config.toml"
 # test image for container
 IMAGE="${IMAGE:-ghcr.io/dragonflyoss/image-service/alpine:nydus-latest}"
 
-if [ "$KATA_HYPERVISOR" != "qemu" ] && [ "$KATA_HYPERVISOR" != "cloud-hypervisor" ] && [ "$KATA_HYPERVISOR" != "dragonball" ]; then
-	echo "Skip nydus test for $KATA_HYPERVISOR, it only works for QEMU/CLH/DB now."
+if [ "$KATA_HYPERVISOR" != "qemu" ] && [ "$KATA_HYPERVISOR" != "cloud-hypervisor" ]; then
+	echo "Skip nydus test for $KATA_HYPERVISOR, it only works for QEMU/CLH. now."
 	exit 0
 fi