ddl: fix ttlManager leak in TestWriteReorgForColumnTypeChangeOnAmendTxn (#27047)
ddl: fix ttlManager leak in TestWriteReorgForColumnTypeChangeOnAmendTxn (#27047)

 
c4pt0r/tidb,c4pt0r/tidb,pingcap/tidb,coocood/tidb,c4pt0r/tidb,ngaut/tidb,coocood/tidb,kyle-wang/tidb,kyle-wang/tidb,kyle-wang/tidb,ngaut/tidb,pingcap/tidb,pingcap/tidb,c4pt0r/tidb,c4pt0r/tidb,ngaut/tidb,ngaut/tidb,ngaut/tidb,ngaut/tidb,pingcap/tidb,kyle-wang/tidb,pingcap/tidb,kyle-wang/tidb,pingcap/tidb,c4pt0r/tidb,kyle-wang/tidb