fix: make generated_file_test .update's visibility same as test rule (

#2677)

internal/generated_file_test/generated_file_test.bzl

@@ -2,7 +2,7 @@
 
 load("@build_bazel_rules_nodejs//internal/node:node.bzl", "nodejs_binary", "nodejs_test")
 
-def generated_file_test(name, generated, src, substring_search = False, src_dbg = None, **kwargs):
+def generated_file_test(name, generated, src, substring_search = False, src_dbg = None, visibility = None, **kwargs):
     """Tests that a file generated by Bazel has identical content to a file in the workspace.
 
     This is useful for testing, where a "snapshot" or "golden" file is checked in,
@@ -16,6 +16,7 @@ def generated_file_test(name, generated, src, substring_search = False, src_dbg
             anywhere within the generated file. Note that the .update rule is not generated in substring mode.
         src_dbg: if the build uses `--compilation_mode dbg` then some rules will produce different output.
             In this case you can specify what the dbg version of the output should look like
+        visibility: visibility for both test target & update target
         **kwargs: extra arguments passed to the underlying nodejs_test
     """
     data = [src, generated]
@@ -36,6 +37,7 @@ def generated_file_test(name, generated, src, substring_search = False, src_dbg
             loc % generated,
         ],
         data = data,
+        visibility = visibility,
         **kwargs
     )
 
@@ -46,4 +48,5 @@ def generated_file_test(name, generated, src, substring_search = False, src_dbg
             entry_point = "@build_bazel_rules_nodejs//internal/generated_file_test:bundle.js",
             templated_args = ["--out", loc % src, loc % src_dbg, loc % generated],
             data = data,
+            visibility = visibility,
         )