                 api.call
                     event : 'invite_collaborator'
                     body  :
-                        account_id     : account_id2
+                        account_id     : account_id3
                         project_id     : project_id2
                         title          : 'PROJECT_TITLE'
                         link2proj      : 'https://link.to.project/'
-                        replyto        : 'cocalc+2@sagemath.com'
-                        replyto_name   : 'Sage2 CoCalc2'
+                        replyto        : 'cocalc+3@sagemath.com'
+                        replyto_name   : 'Sage3 CoCalc3'
                         email          : 'BODY_OF_EMAIL_2'
                         subject        : 'SUBJECT_OF_EMAIL_2'
                     cb    : (err, resp) ->

                        title       : 'COLLABTEST2'
                        description : 'Testing collaboration ops'
                    cb    : (err, resp) ->
                        project_id2 = resp.project_id
                        winston.info("project_id2: #{project_id2}")
                        done(err)
            (cb) ->
                api.call
                    event : 'invite_collaborator'
                    body  :
                        account_id     : account_id2
                        project_id     : project_id2
                        title          : 'PROJECT_TITLE'
                        link2proj      : 'https://link.to.project/'
                        replyto        : 'cocalc+2@sagemath.com'
                        replyto_name   : 'Sage2 CoCalc2'
                        email          : 'BODY_OF_EMAIL_1'
                        subject        : 'SUBJECT_OF_EMAIL_1'
                    cb    : (err, resp) ->

                done(err)

    project_id2 = undefined
    account_id3 = undefined
    it "inivtes a collaborator to a project via an email message", (done) ->
        # create new account and then invite
        async.series([
            (cb) ->
