chore: groups usestdlibvars files to a package

Author: ldez

test/testdata/usestdlibvars.go renamed to pkg/golinters/usestdlibvars/testdata/usestdlibvars.go

@@ -1,5 +1,5 @@
 //golangcitest:args -Eusestdlibvars
-//golangcitest:config_path testdata/configs/usestdlibvars_non_default.yml
+//golangcitest:config_path testdata/usestdlibvars_non_default.yml
 package testdata
 
 import "net/http"

test/testdata/usestdlibvars_non_default.go renamed to pkg/golinters/usestdlibvars/testdata/usestdlibvars_non_default.go

@@ -1,4 +1,4 @@
-package golinters
+package usestdlibvars
 
 import (
 	"github.com/sashamelentyev/usestdlibvars/pkg/analyzer"
@@ -8,7 +8,7 @@ import (
 	"github.com/golangci/golangci-lint/pkg/goanalysis"
 )
 
-func NewUseStdlibVars(cfg *config.UseStdlibVarsSettings) *goanalysis.Linter {
+func New(cfg *config.UseStdlibVarsSettings) *goanalysis.Linter {
 	a := analyzer.New()
 
 	cfgMap := make(map[string]map[string]any)

test/testdata/configs/usestdlibvars_non_default.yml renamed to pkg/golinters/usestdlibvars/testdata/usestdlibvars_non_default.yml

@@ -0,0 +1,11 @@
+package usestdlibvars
+
+import (
+	"testing"
+
+	"github.com/golangci/golangci-lint/test/testshared/integration"
+)
+
+func TestFromTestdata(t *testing.T) {
+	integration.RunTestdata(t)
+}

pkg/golinters/usestdlibvars.go renamed to pkg/golinters/usestdlibvars/usestdlibvars.go

@@ -102,6 +102,7 @@ import (
 	"github.com/golangci/golangci-lint/pkg/golinters/unconvert"
 	"github.com/golangci/golangci-lint/pkg/golinters/unparam"
 	"github.com/golangci/golangci-lint/pkg/golinters/unused"
+	"github.com/golangci/golangci-lint/pkg/golinters/usestdlibvars"
 	"github.com/golangci/golangci-lint/pkg/golinters/whitespace"
 	"github.com/golangci/golangci-lint/pkg/golinters/zerologlint"
 	"github.com/golangci/golangci-lint/pkg/lint/linter"
@@ -773,7 +774,7 @@ func (LinterBuilder) Build(cfg *config.Config) ([]*linter.Config, error) {
 			WithChangeTypes().
 			WithURL("https://github.com/dominikh/go-tools/tree/master/unused"),
 
-		linter.NewConfig(golinters.NewUseStdlibVars(&cfg.LintersSettings.UseStdlibVars)).
+		linter.NewConfig(usestdlibvars.New(&cfg.LintersSettings.UseStdlibVars)).
 			WithSince("v1.48.0").
 			WithPresets(linter.PresetStyle).
 			WithURL("https://github.com/sashamelentyev/usestdlibvars"),