Comment 2 for bug 1816311

Environment tested: Master
Browser tested: Chrome

PRECONDITIONS:
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1) UserA and UserB exist

TEST STEPS:
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1) Login as UserA and create a group, GroupA
2) Create a journal in the group and add a journal entry to it
3) Add a page in GroupA and add the journal block to it and choose the group journal
4) Share the group page with registered users
5) Logout
6) Login as UserB and visit the page
7) Click on the 'Add comment' link for the journal block
8) Verify that the "Posted by..." line says UserA ✔

Catalyst QA Approved ✔