Исправление автозагрузки для тестов

composer.json

@@ -14,8 +14,9 @@
     "phpunit/phpunit": "*"
   },
   "autoload": {
-    "psr-4": {
-      "Pairs\\": "src"
-    }
+    "files": [
+        "src/Pairs.php",
+        "src/Lists.php"
+    ]
   }
 }

phpunit

@@ -0,0 +1,27 @@
+#!/usr/bin/env php
+<?php
+/*
+ * This file is part of PHPUnit.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+if (version_compare('5.6.0', PHP_VERSION, '>')) {
+    fwrite(
+        STDERR,
+        'This version of PHPUnit requires PHP 5.6; using the latest version of PHP is highly recommended.' . PHP_EOL
+    );
+
+    die(1);
+}
+
+if (!ini_get('date.timezone')) {
+    ini_set('date.timezone', 'UTC');
+}
+
+require __DIR__ . '/vendor/autoload.php';
+
+PHPUnit_TextUI_Command::main();

phpunit.xml.dist

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false"
+         syntaxCheck="false"
+         bootstrap="vendor/autoload.php"
+>
+  <testsuites>
+    <testsuite name="Test Suite">
+      <directory>./tests/</directory>
+    </testsuite>
+  </testsuites>
+</phpunit>