test: refactor test-beforeexit-event-exit using mustNotCall

PR-URL: #28901
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Rich Trott <[email protected]>
Reviewed-By: Yongsheng Zhang <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>
Reviewed-By: James M Snell <[email protected]>

Author: himself65

test/parallel/test-beforeexit-event-exit.js

@@ -20,11 +20,8 @@
 // USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 'use strict';
-require('../common');
-const assert = require('assert');
+const { mustNotCall } = require('../common');
 
-process.on('beforeExit', function() {
-  assert.fail('exit should not allow this to occur');
-});
+process.on('beforeExit', mustNotCall('exit should not allow this to occur'));
 
 process.exit();