Reinstall XO to fix CI error

Author: novemberborn

package-lock.json

@@ -1,6 +1,6 @@
 const test = require('ava');
 
 test('timeout with custom message', async t => {
-	t.timeout(10, 'time budget exceeded'); // eslint-disable-line ava/assertion-arguments
+	t.timeout(10, 'time budget exceeded');
 	await new Promise(() => {});
 });

test/test-timeouts/fixtures/custom-message.js

@@ -1,6 +1,6 @@
 const test = require('ava');
 
 test('timeout with invalid message', t => {
-	t.timeout(10, 20); // eslint-disable-line ava/assertion-arguments
+	t.timeout(10, 20);
 });