fixup! policy: fix message for invalid manifest specifier

Author: Trott

test/parallel/test-policy-manifest.js

@@ -1,6 +1,10 @@
 'use strict';
 
 const common = require('../common');
+
+if (!common.hasCrypto)
+  common.skip('missing crypto');
+
 common.requireNoPackageJSONAbove();
 
 const assert = require('assert');