diff --git a/tests/e2e/io.go b/tests/e2e/io.go
index 81160d4aace..80353bd5684 100644
--- a/tests/e2e/io.go
+++ b/tests/e2e/io.go
@@ -34,6 +34,8 @@ func copyFile(src, dst string) (int64, error) { //nolint:unparam
 }
 
 // writeFile write a byte slice into a file path
+// create the file if it doesn't exist
+// NOTE: this file can be write and read by everyone
 func writeFile(path string, body []byte) error {
-	return os.WriteFile(path, body, 0o600)
+	return os.WriteFile(path, body, 0o666) //nolint:gosec
 }