process-exit-code-cases.js: update zeroExitWithUncaughtHandler and changeCodeInUncaughtHandler

cannot use `node:assert` module in cases where `uncaughtException` handler is registered as an failure will be eaten by it

Author: nektro

test/fixtures/process-exit-code-cases.js

@@ -63,8 +63,14 @@ function getTestCases(isWorker = false) {
 
   function zeroExitWithUncaughtHandler() {
     process.on('exit', (code) => {
-      assert.strictEqual(process.exitCode, 0);
-      assert.strictEqual(code, 0);
+      if (code !== 0) {
+        console.log('wrong code! expected 0; got', code);
+        process.exit(99);
+      }
+      if (process.exitCode !== undefined) {
+        console.log('wrong exitCode! expected undefined; got', process.exitCode);
+        process.exit(99);
+      }
     });
     process.on('uncaughtException', () => { });
     throw new Error('ok');
@@ -73,8 +79,14 @@ function getTestCases(isWorker = false) {
 
   function changeCodeInUncaughtHandler() {
     process.on('exit', (code) => {
-      assert.strictEqual(process.exitCode, 97);
-      assert.strictEqual(code, 97);
+      if (code !== 97) {
+        console.log('wrong code! expected 97; got', code);
+        process.exit(99);
+      }
+      if (process.exitCode !== 97) {
+        console.log('wrong exitCode! expected 97; got', process.exitCode);
+        process.exit(99);
+      }
     });
     process.on('uncaughtException', () => {
       process.exitCode = 97;