test: remove unneeded listeners

Unhandled `'error'` events will make the process exit with an unclean
exit code anyway.

PR-URL: nodejs#55486
Reviewed-By: Jake Yuesong Li <jake.yuesong@gmail.com>

test/parallel/test-child-process-dgram-reuseport.js

@@ -32,4 +32,4 @@ const socket = dgram.createSocket(options);
 
 socket.bind(+process.env.port, common.mustCall(() => {
   socket.close();
-})).on('error', common.mustNotCall());
+}));

test/parallel/test-child-process-net-reuseport.js

@@ -32,4 +32,4 @@ const server = net.createServer();
 
 server.listen({ ...options, port: +process.env.port }, common.mustCall(() => {
   server.close();
-})).on('error', common.mustNotCall());
+}));

test/parallel/test-cluster-dgram-reuseport.js

@@ -35,5 +35,5 @@ socket1.bind(0, () => {
   socket2.bind(socket1.address().port, () => {
     socket1.close(close);
     socket2.close(close);
-  }).on('error', common.mustNotCall());
-}).on('error', common.mustNotCall());
+  });
+});

test/parallel/test-cluster-net-reuseport.js

@@ -36,6 +36,3 @@ server1.listen(options, common.mustCall(() => {
     server2.close(close);
   }));
 }));
-
-server1.on('error', common.mustNotCall());
-server2.on('error', common.mustNotCall());

test/parallel/test-dgram-reuseport.js

@@ -12,8 +12,6 @@ function test() {
       socket2.close();
     }));
   }));
-  socket1.on('error', common.mustNotCall());
-  socket2.on('error', common.mustNotCall());
 }
 
 checkSupportReusePort().then(test, () => {

test/parallel/test-net-reuseport.js

@@ -13,8 +13,6 @@ function test(host) {
       server2.close();
     }));
   }));
-  server1.on('error', common.mustNotCall());
-  server2.on('error', common.mustNotCall());
 }
 
 checkSupportReusePort()