This is a combination of 2 commits.

use dc-polyfill, and longer test timeout for orchestrion test

Author: bengl

test/orchestrion.spec.js

@@ -14,6 +14,7 @@ const Module = require('module')
 
 const ORCHESTRION_CONFIG = `
 version: 1
+dc_module: dc-polyfill
 instrumentations:
   - module_name: undici
     version_range: ">=0.0.1"
@@ -33,6 +34,8 @@ describe('orchestrion', () => {
   let rewriter
 
   beforeEach(function () {
+    this.timeout(10000)
+
     sinon.restore()
     // Set up logger
     logger = {
@@ -42,7 +45,7 @@ describe('orchestrion', () => {
 
     tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'orchestrion-test-'))
     execSync('npm init -y', { cwd: tempDir })
-    execSync('npm install undici --save', { cwd: tempDir })
+    execSync('npm install undici@5 dc-polyfill --save', { cwd: tempDir })
     undiciDir = path.join(tempDir, 'node_modules', 'undici')
 
     // Initialize rewriter with orchestrion config
@@ -70,14 +73,15 @@ describe('orchestrion', () => {
     expect(result).to.have.property('content')
     expect(result.content).to.be.a('string')
     expect(result.content.length).to.be.greaterThan(0)
+    expect(result.content.indexOf('orchestrion')).to.be.greaterThan(0)
 
     // Run the modified code and check that it's instrumented
     const mod = new Module(indexPath, module.parent)
     mod.paths = Module._nodeModulePaths(path.dirname(indexPath))
     mod.filename = indexPath
     mod._compile(result.content, indexPath)
 
-    const dc = require('diagnostics_channel')
+    const dc = mod.require('dc-polyfill')
     const tc = dc.tracingChannel('orchestrion:undici:fetch_expr')
     let eventMessage
     tc.subscribe({