test: fixing arguments order in assert.strictEqual()

PR-URL: nodejs#24152
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Gireesh Punathil <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: Trivikram Kamat <[email protected]>

Author: gcarcaci

test/parallel/test-event-emitter-add-listeners.js

@@ -42,8 +42,8 @@ const EventEmitter = require('events');
   });
 
   const hello = common.mustCall(function(a, b) {
-    assert.strictEqual('a', a);
-    assert.strictEqual('b', b);
+    assert.strictEqual(a, 'a');
+    assert.strictEqual(b, 'b');
   });
 
   ee.once('newListener', function(name, listener) {