test: improve abort signal dropping test

PR-URL: #56339
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Jason Zhang <xzha4350@gmail.com>

Author: geeksilva97

test/parallel/test-abortsignal-drop-settled-signals.mjs

@@ -134,25 +134,30 @@ it('does not prevent source signal from being GCed if it is short-lived', (t, do
 
 it('drops settled dependant signals when signal is composite',(t,done)=>{
 constcontrollers=Array.from({length: 2},()=>newAbortController());
-constcomposedSignal1=AbortSignal.any([controllers[0].signal]);
-constcomposedSignalRef=newWeakRef(AbortSignal.any([composedSignal1,controllers[1].signal]));
+
+// Using WeakRefs to avoid this test to retain information that will make the test fail
+constcomposedSignal1=newWeakRef(AbortSignal.any([controllers[0].signal]));
+constcomposedSignalRef=newWeakRef(AbortSignal.any([composedSignal1.deref(),controllers[1].signal]));
 
 constkDependantSignals=Object.getOwnPropertySymbols(controllers[0].signal).find(
 (s)=>s.toString()==='Symbol(kDependantSignals)'
 );
 
-setImmediate(()=>{
-global.gc({execution: 'async'}).then(()=>{
-t.assert.strictEqual(composedSignalRef.deref(),undefined);
-t.assert.strictEqual(controllers[0].signal[kDependantSignals].size,2);
-t.assert.strictEqual(controllers[1].signal[kDependantSignals].size,1);
-
-setImmediate(()=>{
-t.assert.strictEqual(controllers[0].signal[kDependantSignals].size,0);
-t.assert.strictEqual(controllers[1].signal[kDependantSignals].size,0);
+t.assert.strictEqual(controllers[0].signal[kDependantSignals].size,2);
+t.assert.strictEqual(controllers[1].signal[kDependantSignals].size,1);
 
-done();
+setImmediate(()=>{
+global.gc({execution: 'async'}).then(async()=>{
+awaitgcUntil('all signals are GCed',()=>{
+consttotalDependantSignals=Math.max(
+controllers[0].signal[kDependantSignals].size,
+controllers[1].signal[kDependantSignals].size
+);
+
+returncomposedSignalRef.deref()===undefined&&totalDependantSignals===0;
 });
+
+done();
 });
 });
 });