test_runner: do not report an error when tests are passing

PR-URL: nodejs/node#43919
Reviewed-By: Mestery <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
(cherry picked from commit 2fd4c013c221653da2a7921d08fe1aa96aaba504)

Author: aduh95

lib/internal/main/test_runner.js

@@ -1,4 +1,4 @@
-// https://github.com/nodejs/node/blob/389b7e138e89a339fabe4ad628bf09cd9748f957/lib/internal/main/test_runner.js
+// https://github.com/nodejs/node/blob/2fd4c013c221653da2a7921d08fe1aa96aaba504/lib/internal/main/test_runner.js
 'use strict'
 const {
   ArrayFrom,
@@ -116,7 +116,7 @@ function runTestFile (path) {
       err = error
     })
 
-    const { 0: { code, signal }, 1: stdout, 2: stderr } = await SafePromiseAll([
+    const { 0: { 0: code, 1: signal }, 1: stdout, 2: stderr } = await SafePromiseAll([
       once(child, 'exit', { signal: t.signal }),
       toArray.call(child.stdout, { signal: t.signal }),
       toArray.call(child.stderr, { signal: t.signal })

test/parallel/test-runner-exit-code.js

@@ -1,8 +1,9 @@
-// https://github.com/nodejs/node/blob/1523a1817ed9b06fb51c0149451f9ea31bd2756e/test/parallel/test-runner-exit-code.js
+// https://github.com/nodejs/node/blob/2fd4c013c221653da2a7921d08fe1aa96aaba504/test/parallel/test-runner-exit-code.js
 
 'use strict'
 
 const common = require('../common')
+const fixtures = require('../common/fixtures')
 const assert = require('assert')
 const { spawnSync } = require('child_process')
 const { promisify } = require('util')
@@ -32,6 +33,10 @@ if (process.argv[2] === 'child') {
   assert.strictEqual(child.status, 0)
   assert.strictEqual(child.signal, null)
 
+  child = spawnSync(process.execPath, ['--test', fixtures.path('test-runner', 'subdir', 'subdir_test.js')])
+  assert.strictEqual(child.status, 0)
+  assert.strictEqual(child.signal, null)
+
   child = spawnSync(process.execPath, [__filename, 'child', 'fail'])
   assert.strictEqual(child.status, 1)
   assert.strictEqual(child.signal, null)