build: correct zone.js bazel test visibilty rule (#31175)

PR Close #31175

packages/zone.js/test/BUILD.bazel

@@ -2,6 +2,8 @@ load("//tools:defaults.bzl", "jasmine_node_test", "ts_library")
 load("@build_bazel_rules_nodejs//:defs.bzl", "rollup_bundle")
 load("@npm_bazel_karma//:index.bzl", "karma_web_test_suite")
 
+package(default_visibility = ["//:__pkg__"])
+
 exports_files([
     "assets/sample.json",
     "assets/worker.js",
@@ -360,6 +362,8 @@ karma_web_test_suite(
         ":assets/import.html",
     ],
     tags = ["zone_karma_test"],
+    # Visible to //:test_web_all target
+    visibility = ["//:__pkg__"],
     runtime_deps = [
         "@npm//karma-browserstack-launcher",
     ],