test_runner: wait for filtered suite build

lib/internal/test_runner/test.js

@@ -1854,6 +1854,11 @@ class Suite extends Test {
     return { __proto__: null, ctx, args: [ctx] };
   }
 
+  async filteredRun() {
+    await this.buildSuite;
+    return super.filteredRun();
+  }
+
   async run() {
     this.computeInheritedHooks();
     const hookArgs = this.getRunArgs();

test/fixtures/test-runner/filtered-suite-async-build.mjs

@@ -0,0 +1,17 @@
+import test from 'node:test';
+import { setTimeout as delay } from 'node:timers/promises';
+
+test.suite('Outer', async () => {
+  await delay(1);
+
+  // This suite is filtered out by name. Its build is still pending when the
+  // filtered run starts, so the subtest below is registered late.
+  test.suite('Nested A', async () => {
+    await delay(1);
+    test('Nested A test', async () => {});
+  });
+
+  test.suite('Nested C', async () => {
+    test('Nested C test', async () => {});
+  });
+});

test/parallel/test-runner-no-isolation-filtering.js

@@ -7,6 +7,8 @@ const { test } = require('node:test');
 
 const fixture1 = fixtures.path('test-runner', 'no-isolation', 'one.test.js');
 const fixture2 = fixtures.path('test-runner', 'no-isolation', 'two.test.js');
+const asyncBuildFilteredSuite =
+  fixtures.path('test-runner', 'filtered-suite-async-build.mjs');
 
 test('works with --test-only', () => {
   const args = [
@@ -71,6 +73,27 @@ test('works with --test-name-pattern', () => {
   assert.match(stdout, /# suites 0/);
 });
 
+test('filtered suites with an async build do not leave cancelled tests', () => {
+  const args = [
+    '--test',
+    '--test-reporter=tap',
+    '--test-isolation=none',
+    '--test-name-pattern=C',
+    asyncBuildFilteredSuite,
+  ];
+  const child = spawnSync(process.execPath, args);
+  const stdout = child.stdout.toString();
+
+  assert.strictEqual(child.status, 0);
+  assert.strictEqual(child.signal, null);
+  assert.match(stdout, /# tests 1/);
+  assert.match(stdout, /# suites 2/);
+  assert.match(stdout, /# pass 1/);
+  assert.match(stdout, /# fail 0/);
+  assert.match(stdout, /# cancelled 0/);
+  assert.doesNotMatch(stdout, /parentAlreadyFinished/);
+});
+
 test('works with --test-skip-pattern', () => {
   const args = [
     '--test',