refactor: omit unnecessary reassignment

Signed-off-by: rifeplight <rifeplight@outlook.com>

Author: rifeplight

accounts/abi/event_test.go

@@ -331,7 +331,6 @@ func TestEventTupleUnpack(t *testing.T) {
 
 	for _, tc := range testCases {
 		assert := assert.New(t)
-		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
 			err := unpackTestEventData(tc.dest, tc.data, tc.jsonLog, assert)
 			if tc.error == "" {

node/node_test.go

@@ -163,7 +163,6 @@ func TestServiceLifeCycle(t *testing.T) {
 	stopped := make(map[string]bool)
 
 	for id, maker := range services {
-		id := id // Closure for the constructor
 		constructor := func(*ServiceContext) (Service, error) {
 			return &InstrumentedService{
 				startHook: func() { started[id] = true },
@@ -263,7 +262,6 @@ func TestServiceConstructionAbortion(t *testing.T) {
 	}
 	started := make(map[string]bool)
 	for id, maker := range services {
-		id := id // Closure for the constructor
 		constructor := func(*ServiceContext) (Service, error) {
 			return &InstrumentedService{
 				startHook: func() { started[id] = true },
@@ -314,7 +312,6 @@ func TestServiceStartupAbortion(t *testing.T) {
 	stopped := make(map[string]bool)
 
 	for id, maker := range services {
-		id := id // Closure for the constructor
 		constructor := func(*ServiceContext) (Service, error) {
 			return &InstrumentedService{
 				startHook: func() { started[id] = true },
@@ -369,7 +366,6 @@ func TestServiceTerminationGuarantee(t *testing.T) {
 	stopped := make(map[string]bool)
 
 	for id, maker := range services {
-		id := id // Closure for the constructor
 		constructor := func(*ServiceContext) (Service, error) {
 			return &InstrumentedService{
 				startHook: func() { started[id] = true },
@@ -555,7 +551,6 @@ func TestAPIGather(t *testing.T) {
 	}
 
 	for id, config := range services {
-		config := config
 		constructor := func(*ServiceContext) (Service, error) {
 			return &InstrumentedService{apis: config.APIs}, nil
 		}