Improve MySQL test performance

tests/lib/DatabaseDrivers/MySQL.php

@@ -59,14 +59,13 @@ trait MySQL {
             if ($table === "arsse_meta") {
                 $db->query("DELETE FROM $table where `key` <> 'schema_version'");
             } else {
-                $db->query("DELETE FROM $table");
+                $db->query("TRUNCATE TABLE $table");
             }
-            $db->query("ALTER TABLE $table auto_increment = 1");
         }
-        $db->query("SET FOREIGN_KEY_CHECKS=1");
         foreach ($afterStatements as $st) {
             $db->query($st);
         }
+        $db->query("SET FOREIGN_KEY_CHECKS=1");
     }
 
     public static function dbRaze($db, array $afterStatements = []): void {
@@ -79,9 +78,9 @@ trait MySQL {
         foreach (self::dbTableList($db) as $table) {
             $db->query("DROP TABLE IF EXISTS $table");
         }
-        $db->query("SET FOREIGN_KEY_CHECKS=1");
         foreach ($afterStatements as $st) {
             $db->query($st);
         }
+        $db->query("SET FOREIGN_KEY_CHECKS=1");
     }
 }