Update error message in one more place

Author: RReverser

test/test_other.py

@@ -12813,7 +12813,7 @@ def test_node_unhandled_rejection(self):
       self.skipTest('old behaviour of node JS cannot be tested on node v15 or above')
 
     output = self.run_js('main.js')
-    self.assertContained('ReferenceError: missing is not defined', output)
+    self.assertContained('RuntimeError: Aborted(this error will become an unhandled rejection)', output)
     self.assertContained('at foo (', output)
 
   def test_default_pthread_stack_size(self):