fix tests

db/structure.sql

@@ -845,7 +845,8 @@ CREATE TABLE comments (
     updated_at timestamp without time zone,
     updater_id integer,
     updater_ip_addr inet,
-    do_not_bump_post boolean DEFAULT false NOT NULL
+    do_not_bump_post boolean DEFAULT false NOT NULL,
+    is_deleted boolean DEFAULT false NOT NULL
 );
 
 
@@ -7262,3 +7263,5 @@ INSERT INTO schema_migrations (version) VALUES ('20150623191904');
 
 INSERT INTO schema_migrations (version) VALUES ('20150629235905');
 
+INSERT INTO schema_migrations (version) VALUES ('20150705014135');
+