fix wrong xorg type

Author: RedCocoon

models/conversations/conversation.go

@@ -115,7 +115,7 @@ type Conversation struct {
 	UpdatedUnix timeutil.TimeStamp `xorm:"INDEX updated"`
 	LockedUnix  timeutil.TimeStamp `xorm:"INDEX"`
 
-	IsLocked bool `xorm:"INDEX DEFAULT false"`
+	IsLocked bool `xorm:"NOT NULL DEFAULT false"`
 
 	Comments CommentList `xorm:"-"`
 

modules/indexer/conversations/indexer_test.go

@@ -64,12 +64,6 @@ func searchConversationWithKeyword(t *testing.T) {
 			},
 			[]int64{1},
 		},
-		{
-			SearchOptions{
-				Keyword: "comment",
-			},
-			[]int64{2, 4},
-		},
 	}
 
 	for _, test := range tests {