test: fix typo in test-inspector-cluster-port-clash.js

PR-URL: #17782
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: Daniel Bevenius <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Jon Moss <[email protected]>

test/known_issues/test-inspector-cluster-port-clash.js

@@ -23,7 +23,7 @@ if (process.config.variables.v8_enable_inspector === 0) {
 const cluster = require('cluster');
 const net = require('net');
 
-common.crashOnUnhandleRejection();
+common.crashOnUnhandledRejection();
 
 const ports = [process.debugPort];
 const clashPort = process.debugPort + 2;