store/tikv: set short pessimistic lock TTL through failpoints (#22431)
store/tikv: set short pessimistic lock TTL through failpoints (#22431)

Signed-off-by: Yilin Chen <9f6bed1fd69d0e15c5d9fbf33319f3d0f8cbc703@gmail.com>
ngaut/tidb,pingcap/tidb,c4pt0r/tidb,kyle-wang/tidb,pingcap/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,pingcap/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,coocood/tidb,c4pt0r/tidb,pingcap/tidb,coocood/tidb,ngaut/tidb,ngaut/tidb,kyle-wang/tidb,c4pt0r/tidb,pingcap/tidb,pingcap/tidb,kyle-wang/tidb,kyle-wang/tidb,ngaut/tidb,c4pt0r/tidb