multi: fix issues reported by whitespace linter

contractcourt/briefcase_test.go

@@ -179,6 +179,7 @@ func newTestBoltArbLog(chainhash chainhash.Hash,
 	testArbCfg := ChannelArbitratorConfig{
 		PutResolverReport: func(_ kvdb.RwTx,
 			_ *channeldb.ResolverReport) error {
+
 			return nil
 		},
 	}

contractcourt/channel_arbitrator_test.go

@@ -383,6 +383,7 @@ func createTestChannelArbitrator(t *testing.T, log ArbitratorLog,
 		},
 		MarkChannelClosed: func(*channeldb.ChannelCloseSummary,
 			...channeldb.ChannelStatus) error {
+
 			return nil
 		},
 		IsPendingClose:        false,
@@ -1635,6 +1636,7 @@ func TestChannelArbitratorCommitFailure(t *testing.T) {
 		chanArb.cfg.MarkChannelClosed = func(
 			*channeldb.ChannelCloseSummary,
 			...channeldb.ChannelStatus) error {
+
 			close(closed)
 			return nil
 		}
@@ -2169,6 +2171,7 @@ func TestRemoteCloseInitiator(t *testing.T) {
 			// about setting of channel status.
 			mockMarkClosed := func(_ *channeldb.ChannelCloseSummary,
 				statuses ...channeldb.ChannelStatus) error {
+
 				for _, status := range statuses {
 					err := alice.State().ApplyChanStatus(status)
 					if err != nil {

contractcourt/htlc_success_resolver_test.go

@@ -62,6 +62,7 @@ func newHtlcResolverTestContext(t *testing.T,
 			Sweeper: newMockSweeper(),
 			IncubateOutputs: func(wire.OutPoint, *lnwallet.OutgoingHtlcResolution,
 				*lnwallet.IncomingHtlcResolution, uint32) error {
+
 				return nil
 			},
 			DeliverResolutionMsg: func(msgs ...ResolutionMsg) error {
@@ -86,6 +87,7 @@ func newHtlcResolverTestContext(t *testing.T,
 	// this so set nolint directive.
 	checkpointFunc := func(c ContractResolver, // nolint
 		r ...*channeldb.ResolverReport) error {
+
 		return testCtx.checkpoint(c, r...)
 	}
 
@@ -253,6 +255,7 @@ func TestHtlcSuccessSecondStageResolution(t *testing.T) {
 			// to resolve our htlc.
 			preCheckpoint: func(ctx *htlcResolverTestContext,
 				_ bool) error {
+
 				ctx.notifier.SpendChan <- &chainntnfs.SpendDetail{
 					SpendingTx:    sweepTx,
 					SpenderTxHash: &sweepHash,

contractcourt/htlc_timeout_resolver_test.go

@@ -861,6 +861,7 @@ func TestHtlcTimeoutSecondStageRemoteSpend(t *testing.T) {
 			// success transcation.
 			preCheckpoint: func(ctx *htlcResolverTestContext,
 				_ bool) error {
+
 				ctx.notifier.SpendChan <- &chainntnfs.SpendDetail{
 					SpendingTx:    remoteSuccessTx,
 					SpenderTxHash: &successTxid,