fixes

Author: MoLow

lib/internal/main/test_runner.js

@@ -20,7 +20,7 @@ const {
     ERR_TEST_FAILURE,
   },
 } = require('internal/errors');
-const test = require('internal/test_runner/harness');
+const { test } = require('internal/test_runner/harness');
 const { kSubtestsFailed } = require('internal/test_runner/test');
 const {
   isSupportedFileType,

lib/internal/test_runner/harness.js

@@ -14,6 +14,8 @@ const { Test } = require('internal/test_runner/test');
 
 
 const testResources = new SafeMap();
+const root = new Test({ name: '<root>' });
+let wasRootSetup = false;
 
 function createProcessEventHandler(eventName, rootTest) {
   return (err) => {
@@ -42,6 +44,9 @@ function createProcessEventHandler(eventName, rootTest) {
 }
 
 function setup(root) {
+  if (wasRootSetup) {
+    return root;
+  }
   const hook = createHook({
     init(asyncId, type, triggerAsyncId, resource) {
       if (resource instanceof Test) {
@@ -118,26 +123,26 @@ function setup(root) {
 
   root.reporter.pipe(process.stdout);
   root.reporter.version();
+
+  wasRootSetup = true;
   return root;
 }
 
-const root = setup(new Test({ name: '<root>' }));
-
 function test(name, options, fn) {
-  const subtest = this.createSubtest(name, options, fn);
+  const subtest = setup(root).createSubtest(name, options, fn);
   return subtest.start();
 }
 
 function describe(name, options, fn) {
-  const parent = testResources.get(executionAsyncId()) || root;
+  const parent = testResources.get(executionAsyncId()) || setup(root);
   const suite = parent.createSubSuite(name, options, fn);
   if (parent === root) {
     suite.run();
   }
 }
 
 function it(name, options, fn) {
-  const parent = testResources.get(executionAsyncId()) || root;
+  const parent = testResources.get(executionAsyncId()) || setup(root);
   parent.createSubtest(name, options, fn);
 }