diff --git a/composer.json b/composer.json
index f41f1b7a..c1ca6da7 100644
--- a/composer.json
+++ b/composer.json
@@ -6,13 +6,17 @@
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         "format": "php-cs-fixer fix --ansi",
-        "lint": "@php ./vendor/bin/parallel-lint --exclude vendor/ ."
+        "lint": "@php ./vendor/bin/parallel-lint --exclude vendor/ .",
+        "test": "@php ./vendor/bin/phpunit tests/"
     },
     "require": {
         "php": ">=5.2"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^2.7",
-        "jakub-onderka/php-parallel-lint": "^0.9.2"
+        "jakub-onderka/php-parallel-lint": "^0.9.2",
+        "phpunit/phpunit": "^5.7",
+        "zendframework/zendframework1": "^1.12.0"
     }
+
 }
diff --git a/composer.lock b/composer.lock
index 47d3c9e8..11f5b1bc 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
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+    "content-hash": "d81d48a0d7b315ede9f1b490c2fecce3",
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@@ -137,6 +137,60 @@
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+            "license": [
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+                    "email": "ocramius@gmail.com",
+                    "homepage": "http://ocramius.github.com/"
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+            "description": "A small, lightweight utility to instantiate objects in PHP without invoking their constructors",
+            "homepage": "https://github.com/doctrine/instantiator",
+            "keywords": [
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+            ],
+            "time": "2015-06-14T21:17:01+00:00"
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         {
             "name": "doctrine/lexer",
             "version": "v1.0.1",
@@ -280,173 +334,1347 @@
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-                "reference": "8b0320158e34c3d85e5133c341d55c4d6ec5e927",
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+            "require-dev": {
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+                "ext-libxml": "When testing with xml.",
+                "phpunit/phpunit": "This is an extension for it so make sure you have it some way."
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+            "description": "Additional PHPUnit asserts and constraints.",
+            "homepage": "https://github.com/GeckoPackages",
+            "keywords": [
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+                "filesystem",
+                "phpunit"
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+            "time": "2017-08-23T07:46:41+00:00"
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+            "time": "2015-12-15T10:42:16+00:00"
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+                "php": ">=5.3.3"
             },
             "require-dev": {
-                "phpunit/phpunit": "^6.0"
+                "phpunit/phpunit": "~4.2"
             },
             "suggest": {
-                "ext-dom": "When testing with xml.",
-                "ext-libxml": "When testing with xml.",
-                "phpunit/phpunit": "This is an extension for PHPUnit so make sure you have that in some way."
+                "ext-uopz": "*"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "3.0-dev"
+                    "dev-master": "1.0-dev"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "GeckoPackages\\PHPUnit\\": "src/PHPUnit"
-                }
+                "classmap": [
+                    "src/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "MIT"
+                "BSD-3-Clause"
             ],
-            "description": "Additional PHPUnit asserts and constraints.",
-            "homepage": "https://github.com/GeckoPackages",
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                }
+            ],
+            "description": "Snapshotting of global state",
+            "homepage": "http://www.github.com/sebastianbergmann/global-state",
             "keywords": [
-                "extension",
-                "filesystem",
-                "phpunit"
+                "global state"
             ],
-            "time": "2018-02-05T09:18:39+00:00"
+            "time": "2015-10-12T03:26:01+00:00"
         },
         {
-            "name": "jakub-onderka/php-parallel-lint",
-            "version": "v0.9.2",
+            "name": "sebastian/object-enumerator",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/JakubOnderka/PHP-Parallel-Lint.git",
-                "reference": "2ead2e4043ab125bee9554f356e0a86742c2d4fa"
+                "url": "https://github.com/sebastianbergmann/object-enumerator.git",
+                "reference": "1311872ac850040a79c3c058bea3e22d0f09cbb7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/JakubOnderka/PHP-Parallel-Lint/zipball/2ead2e4043ab125bee9554f356e0a86742c2d4fa",
-                "reference": "2ead2e4043ab125bee9554f356e0a86742c2d4fa",
+                "url": "https://api.github.com/repos/sebastianbergmann/object-enumerator/zipball/1311872ac850040a79c3c058bea3e22d0f09cbb7",
+                "reference": "1311872ac850040a79c3c058bea3e22d0f09cbb7",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.3"
+                "php": ">=5.6",
+                "sebastian/recursion-context": "~2.0"
             },
             "require-dev": {
-                "jakub-onderka/php-console-highlighter": "~0.3",
-                "nette/tester": "~1.3"
-            },
-            "suggest": {
-                "jakub-onderka/php-console-highlighter": "Highlight syntax in code snippet"
+                "phpunit/phpunit": "~5"
             },
-            "bin": [
-                "parallel-lint"
-            ],
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
-                    "./"
+                    "src/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "BSD-2-Clause"
+                "BSD-3-Clause"
             ],
             "authors": [
                 {
-                    "name": "Jakub Onderka",
-                    "email": "jakub.onderka@gmail.com"
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
                 }
             ],
-            "description": "This tool check syntax of PHP files about 20x faster than serial check.",
-            "homepage": "https://github.com/JakubOnderka/PHP-Parallel-Lint",
-            "time": "2015-12-15T10:42:16+00:00"
+            "description": "Traverses array structures and object graphs to enumerate all referenced objects",
+            "homepage": "https://github.com/sebastianbergmann/object-enumerator/",
+            "time": "2017-02-18T15:18:39+00:00"
         },
         {
-            "name": "paragonie/random_compat",
-            "version": "v2.0.11",
+            "name": "sebastian/recursion-context",
+            "version": "2.0.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/paragonie/random_compat.git",
-                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8"
+                "url": "https://github.com/sebastianbergmann/recursion-context.git",
+                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/paragonie/random_compat/zipball/5da4d3c796c275c55f057af5a643ae297d96b4d8",
-                "reference": "5da4d3c796c275c55f057af5a643ae297d96b4d8",
+                "url": "https://api.github.com/repos/sebastianbergmann/recursion-context/zipball/2c3ba150cbec723aa057506e73a8d33bdb286c9a",
+                "reference": "2c3ba150cbec723aa057506e73a8d33bdb286c9a",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.2.0"
+                "php": ">=5.3.3"
             },
             "require-dev": {
-                "phpunit/phpunit": "4.*|5.*"
-            },
-            "suggest": {
-                "ext-libsodium": "Provides a modern crypto API that can be used to generate random bytes."
+                "phpunit/phpunit": "~4.4"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
             "autoload": {
-                "files": [
-                    "lib/random.php"
+                "classmap": [
+                    "src/"
                 ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "MIT"
+                "BSD-3-Clause"
             ],
             "authors": [
                 {
-                    "name": "Paragon Initiative Enterprises",
-                    "email": "security@paragonie.com",
-                    "homepage": "https://paragonie.com"
+                    "name": "Jeff Welch",
+                    "email": "whatthejeff@gmail.com"
+                },
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de"
+                },
+                {
+                    "name": "Adam Harvey",
+                    "email": "aharvey@php.net"
                 }
             ],
-            "description": "PHP 5.x polyfill for random_bytes() and random_int() from PHP 7",
-            "keywords": [
-                "csprng",
-                "pseudorandom",
-                "random"
-            ],
-            "time": "2017-09-27T21:40:39+00:00"
+            "description": "Provides functionality to recursively process PHP variables",
+            "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
+            "time": "2016-11-19T07:33:16+00:00"
         },
         {
-            "name": "php-cs-fixer/diff",
-            "version": "v1.3.0",
+            "name": "sebastian/resource-operations",
+            "version": "1.0.0",
             "source": {
                 "type": "git",
-                "url": "https://github.com/PHP-CS-Fixer/diff.git",
-                "reference": "78bb099e9c16361126c86ce82ec4405ebab8e756"
+                "url": "https://github.com/sebastianbergmann/resource-operations.git",
+                "reference": "ce990bb21759f94aeafd30209e8cfcdfa8bc3f52"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/PHP-CS-Fixer/diff/zipball/78bb099e9c16361126c86ce82ec4405ebab8e756",
-                "reference": "78bb099e9c16361126c86ce82ec4405ebab8e756",
+                "url": "https://api.github.com/repos/sebastianbergmann/resource-operations/zipball/ce990bb21759f94aeafd30209e8cfcdfa8bc3f52",
+                "reference": "ce990bb21759f94aeafd30209e8cfcdfa8bc3f52",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.6 || ^7.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "^5.7.23 || ^6.4.3",
-                "symfony/process": "^3.3"
+                "php": ">=5.6.0"
             },
             "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
             "autoload": {
                 "classmap": [
                     "src/"
@@ -457,71 +1685,57 @@
                 "BSD-3-Clause"
             ],
             "authors": [
-                {
-                    "name": "Kore Nordmann",
-                    "email": "mail@kore-nordmann.de"
-                },
                 {
                     "name": "Sebastian Bergmann",
                     "email": "sebastian@phpunit.de"
-                },
-                {
-                    "name": "SpacePossum"
                 }
             ],
-            "description": "sebastian/diff v2 backport support for PHP5.6",
-            "homepage": "https://github.com/PHP-CS-Fixer",
-            "keywords": [
-                "diff"
-            ],
-            "time": "2018-02-15T16:58:55+00:00"
+            "description": "Provides a list of PHP built-in functions that operate on resources",
+            "homepage": "https://www.github.com/sebastianbergmann/resource-operations",
+            "time": "2015-07-28T20:34:47+00:00"
         },
         {
-            "name": "psr/log",
-            "version": "1.0.2",
+            "name": "sebastian/version",
+            "version": "2.0.1",
             "source": {
                 "type": "git",
-                "url": "https://github.com/php-fig/log.git",
-                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d"
+                "url": "https://github.com/sebastianbergmann/version.git",
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/log/zipball/4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
-                "reference": "4ebe3a8bf773a19edfe0a84b6585ba3d401b724d",
+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/99732be0ddb3361e16ad77b68ba41efc8e979019",
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019",
                 "shasum": ""
             },
             "require": {
-                "php": ">=5.3.0"
+                "php": ">=5.6"
             },
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.0.x-dev"
+                    "dev-master": "2.0.x-dev"
                 }
             },
             "autoload": {
-                "psr-4": {
-                    "Psr\\Log\\": "Psr/Log/"
-                }
+                "classmap": [
+                    "src/"
+                ]
             },
             "notification-url": "https://packagist.org/downloads/",
             "license": [
-                "MIT"
+                "BSD-3-Clause"
             ],
             "authors": [
                 {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
                 }
             ],
-            "description": "Common interface for logging libraries",
-            "homepage": "https://github.com/php-fig/log",
-            "keywords": [
-                "log",
-                "psr",
-                "psr-3"
-            ],
-            "time": "2016-10-10T12:19:37+00:00"
+            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
+            "homepage": "https://github.com/sebastianbergmann/version",
+            "time": "2016-10-03T07:35:21+00:00"
         },
         {
             "name": "symfony/console",
@@ -1133,6 +2347,161 @@
             "description": "Symfony Stopwatch Component",
             "homepage": "https://symfony.com",
             "time": "2018-01-03T07:37:34+00:00"
+        },
+        {
+            "name": "symfony/yaml",
+            "version": "v3.4.4",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "eab73b6c21d27ae4cd037c417618dfd4befb0bfe"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/eab73b6c21d27ae4cd037c417618dfd4befb0bfe",
+                "reference": "eab73b6c21d27ae4cd037c417618dfd4befb0bfe",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
+            },
+            "require-dev": {
+                "symfony/console": "~3.4|~4.0"
+            },
+            "suggest": {
+                "symfony/console": "For validating YAML files using the lint command"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Yaml\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Yaml Component",
+            "homepage": "https://symfony.com",
+            "time": "2018-01-21T19:05:02+00:00"
+        },
+        {
+            "name": "webmozart/assert",
+            "version": "1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/webmozart/assert.git",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/0df1908962e7a3071564e857d86874dad1ef204a",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.3 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.6",
+                "sebastian/version": "^1.0.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Webmozart\\Assert\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                }
+            ],
+            "description": "Assertions to validate method input/output with nice error messages.",
+            "keywords": [
+                "assert",
+                "check",
+                "validate"
+            ],
+            "time": "2018-01-29T19:49:41+00:00"
+        },
+        {
+            "name": "zendframework/zendframework1",
+            "version": "1.12.20",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/zendframework/zf1.git",
+                "reference": "737ef159654fbbef37cf9af742b2c8f9690c2ece"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/zendframework/zf1/zipball/737ef159654fbbef37cf9af742b2c8f9690c2ece",
+                "reference": "737ef159654fbbef37cf9af742b2c8f9690c2ece",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.2.11"
+            },
+            "require-dev": {
+                "phpunit/dbunit": "1.3.*",
+                "phpunit/phpunit": "3.7.*"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.12.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-0": {
+                    "Zend_": "library/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "include-path": [
+                "library/"
+            ],
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "description": "Zend Framework 1",
+            "homepage": "http://framework.zend.com/",
+            "keywords": [
+                "ZF1",
+                "framework"
+            ],
+            "time": "2016-09-08T14:50:34+00:00"
         }
     ],
     "aliases": [],
diff --git a/tests/RemoteTest.php b/tests/RemoteTest.php
index e4370ae5..7698c891 100644
--- a/tests/RemoteTest.php
+++ b/tests/RemoteTest.php
@@ -2,12 +2,6 @@
 
 require_once('common.php');
 
-require_once('PHPUnit/Autoload.php');
-
-require_once('Zend/XmlRpc/Client.php');
-require_once('Zend/Http/Client.php');
-require_once('Zend/Registry.php');
-
 abstract class RemoteTest extends PHPUnit_Framework_TestCase {
     protected $server_url = 'http://orange/david/postfixadmin/xmlrpc.php';
     protected $username = 'roger@example.com';
@@ -20,6 +14,7 @@ abstract class RemoteTest extends PHPUnit_Framework_TestCase {
 
     public function setUp() {
         parent::setUp();
+
         $this->xmlrpc_client = new Zend_XmlRpc_Client($this->server_url);
         $http_client = $this->xmlrpc_client->getHttpClient();
         $http_client->setCookieJar();
@@ -28,7 +23,6 @@ abstract class RemoteTest extends PHPUnit_Framework_TestCase {
         $success = $login_object->login($this->username, $this->password);
 
         if (!$success) {
-            var_dump($success);
             die("Failed to login to xmlrpc interface");
         }
     }
diff --git a/tests/RemoteUserTest.php b/tests/RemoteUserTest.php
index 4dbf848c..66077407 100644
--- a/tests/RemoteUserTest.php
+++ b/tests/RemoteUserTest.php
@@ -8,21 +8,7 @@
 require_once('RemoteTest.php');
 
 class RemoteUserTest extends RemoteTest {
-    public function __construct() {
-        parent::__construct();
-        global $CONF;
-    }
-
 
-    /**
-     * Adds the test recipient data to the database.
-     */
-    public function setUp() {
-        parent::setUp();
-    }
-    public function tearDown() {
-        parent::tearDown();
-    }
 
     public function testChangePassword() {
         try {
diff --git a/tests/RemoteVacationTest.php b/tests/RemoteVacationTest.php
index 467df2f5..1863f815 100644
--- a/tests/RemoteVacationTest.php
+++ b/tests/RemoteVacationTest.php
@@ -8,29 +8,22 @@
 require_once('RemoteTest.php');
 
 class RemoteVacationTest extends RemoteTest {
-    public function __construct() {
-        parent::__construct();
-        global $CONF;
-
-        // Ensure config.inc.php is vaguely correct.
-        if ($CONF['vacation'] != 'YES' || $CONF['vacation_control'] != "YES") {
-            die("Cannot run tests; vacation not enabled - see config.inc.php");
-        }
-        if ($CONF['vacation_domain'] != 'autoreply.example.com') {
-            die("Cannot run tests; vacation_domain is not set to autoreply.example.com - see config.inc.php");
-        }
-    }
 
 
     /**
      * Adds the test recipient data to the database.
      */
     public function setUp() {
+        // Ensure config.inc.php is vaguely correct.
+        global $CONF;
+        if ($CONF['vacation'] != 'YES' || $CONF['vacation_control'] != "YES") {
+            $this->markTestSkipped("Cannot run tests; vacation not enabled - see config.inc.php");
+        }
+        if ($CONF['vacation_domain'] != 'autoreply.example.com') {
+            $this->markTestSkipped("Cannot run tests; vacation_domain is not set to autoreply.example.com - see config.inc.php");
+        }
         parent::setUp();
     }
-    public function tearDown() {
-        parent::tearDown();
-    }
 
     public function testIsVacationSupported() {
         try {