Mostly successful MySQL database function tests

Two failures remain, at least one requiring query munging.

lib/Db/MySQL/Driver.php

@@ -40,6 +40,7 @@ class Driver extends \JKingWeb\Arsse\Db\AbstractDriver {
         $db = Arsse::$conf->dbMySQLDb ?? "arsse";
         $this->makeConnection($user, $pass, $db, $host, $port, $socket ?? "");
         $this->exec("SET lock_wait_timeout = 1");
+        $this->exec("SET time_zone = '+00:00'");
     }
 
     /** @codeCoverageIgnore */

tests/cases/Db/MySQLPDO/TestDatabase.php

@@ -0,0 +1,21 @@
+<?php
+/** @license MIT
+ * Copyright 2017 J. King, Dustin Wilson et al.
+ * See LICENSE and AUTHORS files for details */
+
+declare(strict_types=1);
+namespace JKingWeb\Arsse\TestCase\Db\MySQLPDO;
+
+/**
+ * @group slow
+ * @group coverageOptional
+ * @covers \JKingWeb\Arsse\Database<extended>
+ * @covers \JKingWeb\Arsse\Misc\Query<extended>
+ */
+class TestDatabase extends \JKingWeb\Arsse\TestCase\Database\Base {
+    protected static $implementation = "PDO MySQL";
+
+    protected function nextID(string $table): int {
+        return (int) (static::$drv->query("SELECT auto_increment from information_schema.tables where table_name = '$table'")->getValue() ?? 1);
+    }
+}

tests/lib/DatabaseInformation.php

@@ -186,6 +186,7 @@ class DatabaseInformation {
                 } else {
                     $db->query("DELETE FROM $table");
                 }
+                $db->query("ALTER TABLE $table auto_increment = 1");
             }
             foreach ($afterStatements as $st) {
                 $db->query($st);

tests/phpunit.xml

@@ -80,6 +80,7 @@
         <file>cases/Db/SQLite3PDO/TestDatabase.php</file>
         <file>cases/Db/PostgreSQL/TestDatabase.php</file>
         <file>cases/Db/PostgreSQLPDO/TestDatabase.php</file>
+        <file>cases/Db/MySQLPDO/TestDatabase.php</file>
     </testsuite>
     <testsuite name="REST">
         <file>cases/REST/TestTarget.php</file>