Resolve test snapshot issue between node 18 vs 20 & 21 (#6794)

* resolve snapshot issue between node 18 vs 20 & 21

* update a comment

---------

Co-authored-by: Alex <alex.luu@mail.utoronto.ca>

packages/web3-core/test/unit/__snapshots__/web3_context.test.ts.snap

@@ -40,14 +40,15 @@ exports[`Web3Context getContextObject should return correct context object 1`] =
   },
   "registeredSubscriptions": {},
   "requestManager": Web3RequestManager {
-    "_emitter": EventEmitter {
+    "_emitter": {
       "_events": {
         "BEFORE_PROVIDER_CHANGE": [Function],
         "PROVIDER_CHANGED": [Function],
       },
       "_eventsCount": 2,
       "_maxListeners": undefined,
       Symbol(kCapture): false,
+      Symbol(shapeMode): false,
     },
     "_provider": HttpProvider {
       "clientUrl": "http://test/abc",
@@ -59,14 +60,15 @@ exports[`Web3Context getContextObject should return correct context object 1`] =
     "_subscriptions": Map {},
     "registeredSubscriptions": {},
     "requestManager": Web3RequestManager {
-      "_emitter": EventEmitter {
+      "_emitter": {
         "_events": {
           "BEFORE_PROVIDER_CHANGE": [Function],
           "PROVIDER_CHANGED": [Function],
         },
         "_eventsCount": 2,
         "_maxListeners": undefined,
         Symbol(kCapture): false,
+        Symbol(shapeMode): false,
       },
       "_provider": HttpProvider {
         "clientUrl": "http://test/abc",

packages/web3-core/test/unit/web3_context.test.ts

@@ -69,6 +69,26 @@ describe('Web3Context', () => {
 		it('should return correct context object', () => {
 			const context = new Context1('http://test/abc');
 
+			// The following is because a specific property is different in node 18 than it is in node 20 and 21
+			// So the problematic property is removed from the object and then added to ensure its presence and its location
+			// And the snapshot is updated to reflect the change.
+			// Once node 18 is no longer supported, this can be removed. And the snapshot need to be updated then.
+
+			// eslint-disable-next-line @typescript-eslint/no-explicit-any
+			const symbolForShapeMode = Object.getOwnPropertySymbols(
+				(context.getContextObject().requestManager as any)._emitter,
+			).find(s => s.description === 'shapeMode');
+			if (symbolForShapeMode) {
+				// eslint-disable-next-line @typescript-eslint/no-explicit-any
+				delete (context.getContextObject().requestManager as any)._emitter[symbolForShapeMode];
+			}
+			// eslint-disable-next-line @typescript-eslint/no-explicit-any
+			(context.getContextObject().requestManager as any)._emitter = {
+				// eslint-disable-next-line @typescript-eslint/no-explicit-any
+				...(context.getContextObject().requestManager as any)._emitter,
+				[Symbol.for('shapeMode')]: false,
+			};
+
 			expect(context.getContextObject()).toMatchSnapshot();
 		});
 	});