test: socket.emit doesnt exist in tests

src/socket.io/admin/user.js

@@ -172,7 +172,9 @@ User.exportUsersCSV = async function (socket) {
 	setTimeout(async () => {
 		try {
 			await user.exportUsersCSV();
-			socket.emit('event:export-users-csv');
+			if (socket.emit) {
+				socket.emit('event:export-users-csv');
+			}
 			const notifications = require('../../notifications');
 			const n = await notifications.create({
 				bodyShort: '[[notifications:users-csv-exported]]',
@@ -182,7 +184,7 @@ User.exportUsersCSV = async function (socket) {
 			});
 			await notifications.push(n, [socket.uid]);
 		} catch (err) {
-			winston.error(err);
+			winston.error(err.stack);
 		}
 	}, 0);
 };

src/socket.io/index.js

@@ -253,7 +253,7 @@ Sockets.getCountInRoom = function (room) {
 };
 
 Sockets.warnDeprecated = (socket, replacement) => {
-	if (socket.previousEvents) {
+	if (socket.previousEvents && socket.emit) {
 		socket.emit('event:deprecated_call', {
 			eventName: socket.previousEvents[socket.previousEvents.length - 1],
 			replacement: replacement,