Test against PHP 7.2

Author: clue

.travis.yml

@@ -6,6 +6,7 @@ php:
   - 5.6
   - 7.0
   - 7.1
+  - 7.2
   - nightly # ignore errors, see below
   - hhvm # ignore errors, see below
 
@@ -17,8 +18,8 @@ matrix:
     - php: nightly
     - php: hhvm
 
-before_script:
-  - composer install
-  
+install:
+  - composer install --no-interaction
+
 script:
   - vendor/bin/phpunit --coverage-text

tests/FunctionalIntegrationTest.php

@@ -15,6 +15,7 @@ public function testRequestToLocalhostEmitsSingleRemoteConnection()
         $loop = Factory::create();
 
         $server = new Server(0, $loop);
+        $server->on('connection', $this->expectCallableOnce());
         $server->on('connection', function (ConnectionInterface $conn) use ($server) {
             $conn->end("HTTP/1.1 200 OK\r\n\r\nOk");
             $server->close();