smbtorture: Add more smb2 tests

Signed-off-by: Anoop C S <anoopcs@cryptolab.net>

Author: anoopcs9

testcases/smbtorture/selftest/flapping.cephfs

@@ -20,3 +20,6 @@ samba3.smb2.timestamps.time_t_1968
 # https://github.com/samba-in-kubernetes/sit-environment/pull/109
 # Note: CephFS(vfs) successfully completes smb2.session.reauth4.
 samba3.smb2.session.reauth4
+
+# https://github.com/samba-in-kubernetes/sit-test-cases/issues/80
+samba3.smb2.durable-open.alloc-size

testcases/smbtorture/selftest/flapping.cephfs-vfs

@@ -16,3 +16,6 @@ samba3.smb2.timestamps.time_t_10000000000
 samba3.smb2.timestamps.time_t_-1
 samba3.smb2.timestamps.time_t_-2
 samba3.smb2.timestamps.time_t_1968
+
+# https://github.com/samba-in-kubernetes/sit-test-cases/issues/80
+samba3.smb2.durable-open.alloc-size

testcases/smbtorture/smbtorture-tests-info.yml

@@ -31,3 +31,6 @@
 - smb2.bench
 - smb2.winattr2
 - smb2.charset
+- smb2.dir
+- smb2.durable-open
+- smb2.delete-on-close-perms