Close out the repository audit

internal/fileutil/fileutil_test.go

@@ -7,6 +7,8 @@ import (
 	"path/filepath"
 	"strings"
 	"testing"
+
+	"gitea.maximumdirect.net/eric/weatherreporter/internal/testutil"
 )
 
 func TestWriteFileAtomicCreatesParentDirectory(t *testing.T) {
@@ -96,9 +98,7 @@ func TestWriteFileAtomicRejectsUnsafeFinalDestinations(t *testing.T) {
 			name: "symbolic link",
 			setup: func(t *testing.T, path string) {
 				t.Helper()
-				if err := os.Symlink(backing, path); err != nil {
-					t.Fatal(err)
-				}
+				testutil.RequireSymlink(t, backing, path)
 			},
 		},
 	} {