test: complete isometric stage 1 gates

Issue: #89
User-Visible: no

test/labs.test.mjs

@@ -2,6 +2,7 @@ import test from 'node:test';
 import assert from 'node:assert/strict';
 import {
   LABS_FLAGS, hashSpace, liveLabsFlags, parseVersionCore, resolveLabs, validLabsFlag,
+  validLabsRegistry,
 } from '../test-build/labs.js';
 
 const resolve = (search = '', hash = '', storage = null, version = '1.62.0') =>
@@ -15,6 +16,12 @@ test('registry metadata and numeric-core lifetime fail closed', () => {
   assert.equal(liveLabsFlags('1.65.0').has('iso'), false);
   assert.equal(liveLabsFlags('not-a-version').size, 0);
   assert.equal(validLabsFlag({ ...LABS_FLAGS[0], since: '1.65.0' }), false);
+  assert.equal(validLabsRegistry([LABS_FLAGS[0], { ...LABS_FLAGS[0] }]), false);
+  assert.equal(liveLabsFlags('1.62.0', [LABS_FLAGS[0], { ...LABS_FLAGS[0] }]).size, 0);
+  assert.deepEqual(resolveLabs(
+    { search: '?hp-labs=iso', hash: '' }, '["iso"]', '1.62.0',
+    [LABS_FLAGS[0], { ...LABS_FLAGS[0] }],
+  ).active, []);
 });
 
 test('URL operations are ordered query then hash with off and removal semantics', () => {
@@ -48,4 +55,3 @@ test('malformed and unavailable storage are safe', () => {
   assert.deepEqual(resolve('', '', '{bad').active, []);
   assert.deepEqual(resolve('?hp-labs=iso', '', undefined).active, ['iso']);
 });
-