TRUNK-4113 Modify the ObsValidator to allow the storage of obs text larger than 50 chars(cherry picked from commit e6b5558f86bb2c870322bb64981dcc0b521d7949)
TRUNK-4113 Modify the ObsValidator to allow the storage of obs text larger than 50 chars(cherry picked from commit 8d8e5e1ab3095ad404b2412471056a635761cf26)