Fix calling test_lib.lib_get_instance_offering_by_name()
Fix calling test_lib.lib_get_instance_offering_by_name()

zstackorg/zstack-woodpecker,zstackorg/zstack-woodpecker,zstackio/zstack-woodpecker,zstackio/zstack-woodpecker,zstackorg/zstack-woodpecker,zstackio/zstack-woodpecker