refactor: update packages/router tests to be compatible with ESM (#48538)

The ESM js files need to be referenced, and the router tests rely
on `async/await` with change detection- so a special rule is required
that downlevels `async/await` to generators (similar to the Angular CLI)

PR Close #48538

packages/router/test/BUILD.bazel

@@ -1,15 +1,15 @@
-load("//tools:defaults.bzl", "jasmine_node_test", "karma_web_test_suite", "ts_library")
+load("//tools:defaults.bzl", "karma_web_test_suite", "ts_library", "zone_compatible_jasmine_node_test")
 load("//tools/circular_dependency_test:index.bzl", "circular_dependency_test")
 
 circular_dependency_test(
     name = "circular_deps_test",
-    entry_point = "angular/packages/router/index.js",
+    entry_point = "angular/packages/router/index.mjs",
     deps = ["//packages/router"],
 )
 
 circular_dependency_test(
     name = "testing_circular_deps_test",
-    entry_point = "angular/packages/router/testing/index.js",
+    entry_point = "angular/packages/router/testing/index.mjs",
     deps = ["//packages/router/testing"],
 )
 
@@ -34,7 +34,9 @@ ts_library(
     ],
 )
 
-jasmine_node_test(
+# Tests rely on `async/await` for change detection.
+# This syntax needs to be downleveled until ZoneJS supports it.
+zone_compatible_jasmine_node_test(
     name = "test",
     bootstrap = ["//tools/testing:node"],
     deps = [

packages/router/upgrade/test/BUILD.bazel

@@ -3,7 +3,7 @@ load("//tools/circular_dependency_test:index.bzl", "circular_dependency_test")
 
 circular_dependency_test(
     name = "circular_deps_test",
-    entry_point = "angular/packages/router/upgrade/index.js",
+    entry_point = "angular/packages/router/upgrade/index.mjs",
     deps = ["//packages/router/upgrade"],
 )