smbtorture: Add more smb2 tests

Signed-off-by: Anoop C S <[email protected]>

Author: anoopcs9

testcases/smbtorture/selftest/flapping.cephfs

@@ -25,3 +25,6 @@ samba3.smb2.session.reauth4
 # due to unicode normalization which results in same unicode character even
 # if composed using two different unicode encodings.
 ^samba3.smb2.charset.*.Testing composite character \(a umlaut\)
+
+# 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