test: fix test-abortsignal-drop-settled-signals flakiness

PR-URL: #56197 Reviewed-By: Ruben Bridgewater <[email protected]> Reviewed-By: Michaël Zasso <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Jason Zhang <[email protected]> Reviewed-By: James M Snell <[email protected]> Reviewed-By: Chemi Atlow <[email protected]>

Author: geeksilva97

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

@@ -1,6 +1,7 @@
 // Flags: --expose_gc
 //
 import'../common/index.mjs';
+import{gcUntil}from'../common/gc.js';
 import{describe,it}from'node:test';
 
 functionmakeSubsequentCalls(limit,done,holdReferences=false){
@@ -141,37 +142,29 @@ it('drops settled dependant signals when signal is composite', (t, done) =>{
 );
 
 setImmediate(()=>{
-global.gc();
+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);
 
-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);
+setImmediate(()=>{
+t.assert.strictEqual(controllers[0].signal[kDependantSignals].size,0);
+t.assert.strictEqual(controllers[1].signal[kDependantSignals].size,0);
 
-done();
+done();
+});
 });
 });
 });
 
 it('drops settled signals even when there are listeners',(t,done)=>{
-runWithOrphanListeners(limit,(signalRefs)=>{
-setImmediate(()=>{
-global.gc();
-setImmediate(()=>{
-global.gc();// One more call needed to clean up the deeper composed signals
-setImmediate(()=>{
-global.gc();// One more call needed to clean up the deeper composed signals
-
-constunGCedSignals=[...signalRefs].filter((ref)=>ref.deref());
-
-t.assert.strictEqual(unGCedSignals.length,0);
+runWithOrphanListeners(limit,async(signalRefs)=>{
+awaitgcUntil('all signals are GCed',()=>{
+constunGCedSignals=[...signalRefs].filter((ref)=>ref.deref());
 
-done();
-});
-});
+returnunGCedSignals.length===0;
 });
+
+done();
 });
 });