test_runner: do not throw on mocked clearTimeout()

PR-URL: #54005
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>

Author: Aksinya-Bykova

lib/internal/test_runner/mock/mock_timers.js

@@ -304,7 +304,7 @@ class MockTimers {
 }
 
  #clearTimer(timer){
-if(timer.priorityQueuePosition!==undefined){
+if(timer?.priorityQueuePosition!==undefined){
 this.#executionQueue.removeAt(timer.priorityQueuePosition);
 timer.priorityQueuePosition=undefined;
 }

test/parallel/test-runner-mock-timers.js

@@ -257,6 +257,13 @@ describe('Mock Timers Test Suite', () => {
 
 assert.strictEqual(fn.mock.callCount(),0);
 });
+
+it('clearTimeout does not throw on null and undefined',(t)=>{
+t.mock.timers.enable({apis: ['setTimeout']});
+
+nodeTimers.clearTimeout();
+nodeTimers.clearTimeout(null);
+});
 });
 
 describe('setInterval Suite',()=>{
@@ -305,6 +312,13 @@ describe('Mock Timers Test Suite', () => {
 
 assert.strictEqual(fn.mock.callCount(),0);
 });
+
+it('clearInterval does not throw on null and undefined',(t)=>{
+t.mock.timers.enable({apis: ['setInterval']});
+
+nodeTimers.clearInterval();
+nodeTimers.clearInterval(null);
+});
 });
 
 describe('setImmediate Suite',()=>{
@@ -372,6 +386,15 @@ describe('Mock Timers Test Suite', () => {
 });
 });
 
+describe('clearImmediate Suite',()=>{
+it('clearImmediate does not throw on null and undefined',(t)=>{
+t.mock.timers.enable({apis: ['setImmediate']});
+
+nodeTimers.clearImmediate();
+nodeTimers.clearImmediate(null);
+});
+});
+
 describe('timers/promises',()=>{
 describe('setTimeout Suite',()=>{
 it('should advance in time and trigger timers when calling the .tick function multiple times',async(t)=>{