Upgrade react/socket to avoid skipping DNS tests

Refs reactphp/socket#208

Author: clue

composer.json

@@ -10,11 +10,11 @@
     "require": {
         "php": ">=5.3.8",
         "react/cache": "^1.0",
-        "react/dns": "^1.0",
+        "react/dns": "^1.1",
         "react/event-loop": "^1.0",
         "react/promise": "^2.1 || ^1.2",
         "react/promise-stream": "^1.1.1",
-        "react/socket": "^1.0",
+        "react/socket": "^1.4",
         "react/stream": "^1.0"
     },
     "require-dev": {

phpunit.xml.dist

@@ -14,9 +14,6 @@
     <testsuites>
         <testsuite name="React Test Suite">
             <directory>./vendor/react/*/tests/</directory>
-            <!-- temporarily skip broken tests, see https://github.com/reactphp/socket/issues/207 -->
-            <exclude>./vendor/react/socket/tests/ConnectorTest.php</exclude>
-            <exclude>./vendor/react/socket/tests/DnsConnectorTest.php</exclude>
         </testsuite>
     </testsuites>