fixed lint errors

db/l2db/apiqueries.go

@@ -128,6 +128,7 @@ func (l2db *L2DB) GetTxAPI(txID common.TxID) (*PoolTxAPI, error) {
 	))
 }
 
+// GetPoolTxs return Txs from the pool
 func (l2db *L2DB) GetPoolTxs(idx *common.Idx, state *common.PoolL2TxState) ([]*PoolTxAPI, error) {
 	cancel, err := l2db.apiConnCon.Acquire()
 	defer cancel()
@@ -154,7 +155,6 @@ func (l2db *L2DB) GetPoolTxs(idx *common.Idx, state *common.PoolL2TxState) ([]*P
 		queryStr += "OR tx_pool.to_idx = ?) "
 		args = append(args, idx)
 		args = append(args, idx)
-		nextIsAnd = true
 	}
 	queryStr += "AND NOT external_delete;"
 	query := l2db.dbRead.Rebind(queryStr)

db/l2db/l2db_test.go

@@ -317,6 +317,7 @@ func TestL2DB_GetPoolTxs(t *testing.T) {
 		log.Error("Error prepare historyDB", err)
 	}
 	poolL2Txs, err := generatePoolL2Txs()
+	require.NoError(t, err)
 	state := common.PoolL2TxState("pend")
 	idx := common.Idx(256)
 	var pendingTxs []*common.PoolL2Tx