liquidity: reduce miner fee multiplier for fee percentage

liquidity/fees.go

@@ -41,7 +41,7 @@ const (
 	// minerMultiplier is a multiplier we use to scale our miner fee to
 	// ensure that we will still be able to complete our swap in the case
 	// of a severe fee spike.
-	minerMultiplier = 100
+	minerMultiplier = 10
 
 	// defaultFeePPM is the default percentage of swap amount that we
 	// allocate to fees, 2%.

liquidity/liquidity_test.go

@@ -1555,7 +1555,7 @@ func TestFeePercentage(t *testing.T) {
 			quote: &loop.LoopOutQuote{
 				SwapFee:      60,
 				PrepayAmount: 30,
-				MinerFee:     1,
+				MinerFee:     10,
 			},
 			suggestions: &Suggestions{
 				DisqualifiedChans: map[lnwire.ShortChannelID]Reason{