fixup! feat(cdk-experimental/radio): create radio group and button directives

Author: wagnermaciel

src/cdk-experimental/radio/BUILD.bazel

@@ -28,6 +28,7 @@ ts_project(
         "//:node_modules/@angular/core",
         "//:node_modules/@angular/platform-browser",
         "//:node_modules/axe-core",
+        "//src/cdk/testing/private",
     ],
 )