chore: enable more linter (#1557)

pkg/utils/collector.go

@@ -14,13 +14,15 @@ import (
 // Splits provided child Collectors and deduplicate.
 func ExpandEnabledChildCollectors(enabled string) []string {
 	result := slices.Compact(strings.Split(enabled, ","))
-	// Ensure result is ordered, to prevent test failure
+
+	// Result must order, to prevent test failures.
 	sort.Strings(result)
+
 	return result
 }
 
 func ExpandEnabledCollectors(enabled string) []string {
-	expanded := strings.Replace(enabled, types.DefaultCollectorsPlaceholder, types.DefaultCollectors, -1)
+	expanded := strings.ReplaceAll(enabled, types.DefaultCollectorsPlaceholder, types.DefaultCollectors)
 	separated := strings.Split(expanded, ",")
 	unique := map[string]bool{}
 	for _, s := range separated {

pkg/utils/collector_test.go

@@ -11,6 +11,8 @@ import (
 )
 
 func TestExpandChildCollectors(t *testing.T) {
+	t.Parallel()
+
 	cases := []struct {
 		name           string
 		input          string
@@ -30,6 +32,8 @@ func TestExpandChildCollectors(t *testing.T) {
 
 	for _, c := range cases {
 		t.Run(c.name, func(t *testing.T) {
+			t.Parallel()
+
 			output := utils.ExpandEnabledChildCollectors(c.input)
 			if !reflect.DeepEqual(output, c.expectedOutput) {
 				t.Errorf("Output mismatch, expected %+v, got %+v", c.expectedOutput, output)
@@ -39,6 +43,8 @@ func TestExpandChildCollectors(t *testing.T) {
 }
 
 func TestExpandEnabled(t *testing.T) {
+	t.Parallel()
+
 	expansionTests := []struct {
 		input          string
 		expectedOutput []string