test: use common.crashOnUnhandledRejection

Deal with crash case for unhandled rejection.

Author: zack9433

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

@@ -23,6 +23,8 @@ if (process.config.variables.v8_enable_inspector === 0) {
 const cluster = require('cluster');
 const net = require('net');
 
+common.crashOnUnhandleRejection();
+
 const ports = [process.debugPort];
 const clashPort = process.debugPort + 2;
 function serialFork() {