code cleanup

Signed-off-by: guiyong.ou <guiyong.ou@daocloud.io>

Kubernetes-commit: aa6d0f5bb0b5cf9aae239b6a439302fc11c4a89e

pkg/util/errors/errors_test.go

@@ -93,7 +93,7 @@ func TestAggregateWithNil(t *testing.T) {
 }
 
 func TestSingularAggregate(t *testing.T) {
-	var slice []error = []error{fmt.Errorf("err")}
+	var slice = []error{fmt.Errorf("err")}
 	var agg Aggregate
 	var err error
 
@@ -121,7 +121,7 @@ func TestSingularAggregate(t *testing.T) {
 }
 
 func TestPluralAggregate(t *testing.T) {
-	var slice []error = []error{fmt.Errorf("abc"), fmt.Errorf("123")}
+	var slice = []error{fmt.Errorf("abc"), fmt.Errorf("123")}
 	var agg Aggregate
 	var err error
 
@@ -149,7 +149,7 @@ func TestPluralAggregate(t *testing.T) {
 }
 
 func TestDedupeAggregate(t *testing.T) {
-	var slice []error = []error{fmt.Errorf("abc"), fmt.Errorf("abc")}
+	var slice = []error{fmt.Errorf("abc"), fmt.Errorf("abc")}
 	var agg Aggregate
 
 	agg = NewAggregate(slice)
@@ -165,7 +165,7 @@ func TestDedupeAggregate(t *testing.T) {
 }
 
 func TestDedupePluralAggregate(t *testing.T) {
-	var slice []error = []error{fmt.Errorf("abc"), fmt.Errorf("abc"), fmt.Errorf("123")}
+	var slice = []error{fmt.Errorf("abc"), fmt.Errorf("abc"), fmt.Errorf("123")}
 	var agg Aggregate
 
 	agg = NewAggregate(slice)
@@ -181,7 +181,7 @@ func TestDedupePluralAggregate(t *testing.T) {
 }
 
 func TestFlattenAndDedupeAggregate(t *testing.T) {
-	var slice []error = []error{fmt.Errorf("abc"), fmt.Errorf("abc"), NewAggregate([]error{fmt.Errorf("abc")})}
+	var slice = []error{fmt.Errorf("abc"), fmt.Errorf("abc"), NewAggregate([]error{fmt.Errorf("abc")})}
 	var agg Aggregate
 
 	agg = NewAggregate(slice)
@@ -197,7 +197,7 @@ func TestFlattenAndDedupeAggregate(t *testing.T) {
 }
 
 func TestFlattenAggregate(t *testing.T) {
-	var slice []error = []error{fmt.Errorf("abc"), fmt.Errorf("abc"), NewAggregate([]error{fmt.Errorf("abc"), fmt.Errorf("def"), NewAggregate([]error{fmt.Errorf("def"), fmt.Errorf("ghi")})})}
+	var slice = []error{fmt.Errorf("abc"), fmt.Errorf("abc"), NewAggregate([]error{fmt.Errorf("abc"), fmt.Errorf("def"), NewAggregate([]error{fmt.Errorf("def"), fmt.Errorf("ghi")})})}
 	var agg Aggregate
 
 	agg = NewAggregate(slice)