nodejs
diff --git a/‎lib/internal/debugger/inspect_client.js‎
Lines changed: 5 additions & 8 deletions b/‎lib/internal/debugger/inspect_client.js‎
Lines changed: 5 additions & 8 deletions
diff --git a/‎test/common/debugger.js‎
Lines changed: 4 additions & 0 deletions b/‎test/common/debugger.js‎
Lines changed: 4 additions & 0 deletions
diff --git a/‎test/parallel/test-debugger-restart-message.js‎
Lines changed: 2 additions & 0 deletions b/‎test/parallel/test-debugger-restart-message.js‎
Lines changed: 2 additions & 0 deletions
@@ -13,7 +13,7 @@ const {
 const Buffer = require('buffer').Buffer;
 const crypto = require('crypto');
 const { ERR_DEBUGGER_ERROR } = require('internal/errors').codes;
-const { EventEmitter } = require('events');
+const { EventEmitter, once } = require('events');
 const http = require('http');
 const { URL } = require('internal/url');
 
@@ -343,13 +343,10 @@ class Client extends EventEmitter {
       this.emit('ready');
     };
 
-    return new Promise((resolve, reject) => {
-      this.once('error', reject);
-      this.once('ready', resolve);
-
-      httpReq.on('upgrade', handshakeListener);
-      httpReq.end();
-    });
+    const onReady = once(this, 'ready');
+    httpReq.on('upgrade', handshakeListener);
+    httpReq.end();
+    return onReady;
   }
 }
 
 
@@ -141,6 +141,10 @@ function startCLI(args, flags = [], spawnOpts = {}, opts = { randomPort: true })
       return getOutput();
     },
 
+    get stderrOutput() {
+      return stderrOutput;
+    },
+
     get rawOutput() {
       return outputBuffer.join('').toString();
     },
 
@@ -31,6 +31,8 @@ const startCLI = require('../common/debugger');
     } finally {
       await cli.quit();
     }
+
+    assert.doesNotMatch(cli.stderrOutput, /MaxListenersExceededWarning/);
   }
 
   onWaitForInitialBreak();
Original file line number	Diff line number	Diff line change
@@ -31,6 +31,8 @@ const startCLI = require('../common/debugger');
31	31	} finally {
32	32	await cli.quit();
33	33	}
	34	+
	35	+ assert.doesNotMatch(cli.stderrOutput, /MaxListenersExceededWarning/);
34	36	}
35	37
36	38	onWaitForInitialBreak();