qa/workunit: add test case for --with-snaps in import_export.sh

Signed-off-by: Dongsheng Yang <dongsheng.yang@easystack.cn>

qa/workunits/rbd/import_export.sh

@@ -57,12 +57,21 @@ rm ${TMPDIR}/img2 ${TMPDIR}/img3
 rbd import $RBD_CREATE_ARGS - testimg < ${TMPDIR}/img
 rbd export testimg ${TMPDIR}/img2
 rbd export testimg - > ${TMPDIR}/img3
-rbd rm testimg
 cmp ${TMPDIR}/img ${TMPDIR}/img2
 cmp ${TMPDIR}/img ${TMPDIR}/img3
 
 rm ${TMPDIR}/img ${TMPDIR}/img2 ${TMPDIR}/img3
 
+# try with --with-snaps
+rbd snap create testimg@snap
+rbd export --with-snaps testimg ${TMPDIR}/img
+rbd import --with-snaps $RBD_CREATE_ARGS ${TMPDIR}/img testimg_import
+rbd info testimg_import
+rbd info testimg_import@snap
+rm ${TMPDIR}/img
+rbd snap rm testimg_import@snap
+rbd remove testimg_import
+rbd rm testimg
 
 tiered=0
 if ceph osd dump | grep ^pool | grep "'rbd'" | grep tier; then