diff --git a/app/code/core/Mage/AdminNotification/Model/Feed.php b/app/code/core/Mage/AdminNotification/Model/Feed.php
index 8864e590cb8..32a9175bbf6 100644
--- a/app/code/core/Mage/AdminNotification/Model/Feed.php
+++ b/app/code/core/Mage/AdminNotification/Model/Feed.php
@@ -169,7 +169,7 @@ public function getFeedXml()
             $data = $this->getFeedData();
             $xml  = new SimpleXMLElement($data);
         } catch (Exception $e) {
-            $xml  = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8" ?>');
+            $xml  = new SimpleXMLElement('<?xml version="1.0" encoding="utf-8" ?><feed />');
         }
 
         return $xml;
diff --git a/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Giftmessage.php b/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Giftmessage.php
index f620a652684..95924a93ab6 100644
--- a/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Giftmessage.php
+++ b/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Giftmessage.php
@@ -43,6 +43,10 @@ public function getFormHtml(Varien_Object $entity, $entityType = 'quote')
      */
     public function getItems()
     {
+        if (!$this->isOutputEnabled('Mage_GiftMessage')) {
+            return false;
+        }
+
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
 
@@ -51,7 +55,7 @@ public function getItems()
 
         foreach ($allItems as $item) {
             if ($this->_getGiftmessageSaveModel()->getIsAllowedQuoteItem($item)
-                && $helper->getIsMessagesAvailable('item', $item, $this->getStore())
+                && $helper->getIsMessagesAvailable($helper::TYPE_ITEM, $item, $this->getStore())
             ) {
                 // if item allowed
                 $items[] = $item;
@@ -82,6 +86,6 @@ public function canDisplayGiftmessage(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order', $this->getEntity(), $this->getEntity()->getStoreId());
+        return $helper->getIsMessagesAvailable($helper::TYPE_CONFIG, $this->getQuote(), $this->getStoreId());
     }
 }
diff --git a/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Items/Grid.php b/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Items/Grid.php
index 92e2600ccd1..d2892a23240 100644
--- a/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Items/Grid.php
+++ b/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Items/Grid.php
@@ -135,10 +135,10 @@ public function isGiftMessagesAvailable($item = null)
         $helper = $this->helper('giftmessage/message');
 
         if (is_null($item)) {
-            return $helper->getIsMessagesAvailable('items', $this->getQuote(), $this->getStore());
+            return $helper->getIsMessagesAvailable($helper::TYPE_ITEMS, $this->getQuote(), $this->getStore());
         }
 
-        return $helper->getIsMessagesAvailable('item', $item, $this->getStore());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ITEM, $item, $this->getStore());
     }
 
     /**
diff --git a/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Search/Grid/Renderer/Giftmessage.php b/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Search/Grid/Renderer/Giftmessage.php
index c4a575568ef..b76c61488ff 100644
--- a/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Search/Grid/Renderer/Giftmessage.php
+++ b/app/code/core/Mage/Adminhtml/Block/Sales/Order/Create/Search/Grid/Renderer/Giftmessage.php
@@ -31,7 +31,7 @@ public function render(Varien_Object $row)
     {
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        if (!$helper->getIsMessagesAvailable('order_item', $row, $this->getColumn()->getGrid()->getStore())) {
+        if (!$helper->getIsMessagesAvailable($helper::TYPE_ORDER_ITEM, $row, $this->getColumn()->getGrid()->getStore())) {
             return '&nbsp;';
         }
 
diff --git a/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Giftmessage.php b/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Giftmessage.php
index c0fc03d8a9b..aa559e2743d 100644
--- a/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Giftmessage.php
+++ b/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Giftmessage.php
@@ -284,6 +284,6 @@ public function canDisplayGiftmessage()
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order', $this->getEntity(), $this->getEntity()->getStoreId());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ORDER, $this->getEntity(), $this->getEntity()->getStoreId());
     }
 }
diff --git a/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Items/Renderer/Default.php b/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Items/Renderer/Default.php
index 29cf1404d46..99f61fececf 100644
--- a/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Items/Renderer/Default.php
+++ b/app/code/core/Mage/Adminhtml/Block/Sales/Order/View/Items/Renderer/Default.php
@@ -210,7 +210,7 @@ public function canDisplayGiftmessage()
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
         return $helper->getIsMessagesAvailable(
-            'order_item',
+            $helper::TYPE_ORDER_ITEM,
             $this->getItem(),
             $this->getItem()->getOrder()->getStoreId()
         );
diff --git a/app/code/core/Mage/GiftMessage/Block/Adminhtml/Product/Helper/Form/Config.php b/app/code/core/Mage/GiftMessage/Block/Adminhtml/Product/Helper/Form/Config.php
index 752ad45c0e5..7bcafdf7c72 100644
--- a/app/code/core/Mage/GiftMessage/Block/Adminhtml/Product/Helper/Form/Config.php
+++ b/app/code/core/Mage/GiftMessage/Block/Adminhtml/Product/Helper/Form/Config.php
@@ -24,10 +24,10 @@ class Mage_GiftMessage_Block_Adminhtml_Product_Helper_Form_Config extends Mage_A
     /**
      * Get config value data
      *
-     * @return mixed
+     * @return bool
      */
     protected function _getValueFromConfig()
     {
-        return Mage::getStoreConfig(Mage_GiftMessage_Helper_Message::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS);
+        return Mage::getStoreConfigFlag(Mage_GiftMessage_Helper_Message::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS);
     }
 }
diff --git a/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Form.php b/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Form.php
index da5b2829a61..bb11ad54b76 100644
--- a/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Form.php
+++ b/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Form.php
@@ -31,6 +31,6 @@ public function canDisplayGiftmessageForm()
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
         $quote = Mage::getSingleton('adminhtml/session_quote')->getQuote();
-        return $helper->getIsMessagesAvailable('items', $quote, $quote->getStore());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ITEMS, $quote, $quote->getStore());
     }
 }
diff --git a/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Items.php b/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Items.php
index 0202807afd8..c9a05f4ea2f 100644
--- a/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Items.php
+++ b/app/code/core/Mage/GiftMessage/Block/Adminhtml/Sales/Order/Create/Items.php
@@ -47,7 +47,7 @@ public function canDisplayGiftMessage()
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
         return $helper->getIsMessagesAvailable(
-            'item',
+            $helper::TYPE_ITEM,
             $item,
             $item->getStoreId()
         );
diff --git a/app/code/core/Mage/GiftMessage/Block/Message/Inline.php b/app/code/core/Mage/GiftMessage/Block/Message/Inline.php
index 64a5cb44202..66a0c2a7942 100644
--- a/app/code/core/Mage/GiftMessage/Block/Message/Inline.php
+++ b/app/code/core/Mage/GiftMessage/Block/Message/Inline.php
@@ -255,7 +255,9 @@ public function getEscaped($value, $defaultValue = '')
      */
     public function isMessagesAvailable()
     {
-        return Mage::helper('giftmessage/message')->isMessagesAvailable('quote', $this->getEntity());
+        /** @var Mage_GiftMessage_Helper_Message $helper */
+        $helper = $this->helper('giftmessage/message');
+        return $helper->isMessagesAvailable($helper::TYPE_CONFIG, $this->getEntity());
     }
 
     /**
diff --git a/app/code/core/Mage/GiftMessage/Helper/Message.php b/app/code/core/Mage/GiftMessage/Helper/Message.php
index a435b9c5163..1011376bfee 100644
--- a/app/code/core/Mage/GiftMessage/Helper/Message.php
+++ b/app/code/core/Mage/GiftMessage/Helper/Message.php
@@ -28,6 +28,13 @@ class Mage_GiftMessage_Helper_Message extends Mage_Core_Helper_Data
     public const XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS = 'sales/gift_options/allow_items';
     public const XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ORDER = 'sales/gift_options/allow_order';
 
+    public const TYPE_ADDRESS_ITEM  = 'address_item';
+    public const TYPE_CONFIG        = 'config';
+    public const TYPE_ITEM          = 'item';
+    public const TYPE_ITEMS         = 'items';
+    public const TYPE_ORDER         = 'order';
+    public const TYPE_ORDER_ITEM    = 'order_item';
+
     protected $_moduleName = 'Mage_GiftMessage';
 
     /**
@@ -88,74 +95,75 @@ public function getInline($type, Varien_Object $entity, $dontDisplayContainer =
     /**
      * Check availability of giftmessages for specified entity.
      *
-     * @param string $type
-     * @param Mage_Core_Model_Store|integer $store
-     * @return bool|int
+     * @param self::TYPE_* $type $type
+     * @param bool|int|Mage_Core_Model_Store|null|string $store
+     * @return bool
      */
     public function isMessagesAvailable($type, Varien_Object $entity, $store = null)
     {
-        if ($type == 'items') {
-            $items = $entity->getAllItems();
-            if (!is_array($items) || empty($items)) {
-                return Mage::getStoreConfig(self::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS, $store);
-            }
-            if ($entity instanceof Mage_Sales_Model_Quote) {
-                $_type = $entity->getIsMultiShipping() ? 'address_item' : 'item';
-            } else {
-                $_type = 'order_item';
-            }
-
-            foreach ($items as $item) {
-                if ($item->getParentItem()) {
-                    continue;
+        switch ($type) {
+            case self::TYPE_ITEMS:
+                $items = $entity->getAllItems();
+                if (!is_array($items) || empty($items)) {
+                    return Mage::getStoreConfigFlag(self::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS, $store);
                 }
-                if ($this->isMessagesAvailable($_type, $item, $store)) {
-                    return true;
+                if ($entity instanceof Mage_Sales_Model_Quote) {
+                    $_type = $entity->getIsMultiShipping() ? self::TYPE_ADDRESS_ITEM : self::TYPE_ITEM;
+                } else {
+                    $_type = self::TYPE_ORDER_ITEM;
                 }
-            }
-        } elseif ($type == 'item') {
-            return $this->_getDependenceFromStoreConfig(
-                $entity->getProduct()->getGiftMessageAvailable(),
-                $store
-            );
-        } elseif ($type == 'order_item') {
-            return $this->_getDependenceFromStoreConfig(
-                $entity->getGiftMessageAvailable(),
-                $store
-            );
-        } elseif ($type == 'address_item') {
-            $storeId = is_numeric($store) ? $store : Mage::app()->getStore($store)->getId();
 
-            if (!$this->isCached('address_item_' . $entity->getProductId())) {
-                $this->setCached(
-                    'address_item_' . $entity->getProductId(),
-                    Mage::getModel('catalog/product')
-                        ->setStoreId($storeId)
-                        ->load($entity->getProductId())
-                        ->getGiftMessageAvailable()
+                foreach ($items as $item) {
+                    if ($item->getParentItem()) {
+                        continue;
+                    }
+                    if ($this->isMessagesAvailable($_type, $item, $store)) {
+                        return true;
+                    }
+                }
+                // no break
+            case self::TYPE_ITEM:
+                return $this->_getDependenceFromStoreConfig(
+                    $entity->getProduct()->getGiftMessageAvailable(),
+                    $store
                 );
-            }
-            return $this->_getDependenceFromStoreConfig(
-                $this->getCached('address_item_' . $entity->getProductId()),
-                $store
-            );
-        } else {
-            return Mage::getStoreConfig(self::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ORDER, $store);
-        }
+            case self::TYPE_ORDER_ITEM:
+                return $this->_getDependenceFromStoreConfig(
+                    $entity->getGiftMessageAvailable(),
+                    $store
+                );
+            case self::TYPE_ADDRESS_ITEM:
+                $storeId = is_numeric($store) ? $store : Mage::app()->getStore($store)->getId();
+                $cacheId = self::TYPE_ADDRESS_ITEM . '_' . $entity->getProductId();
 
-        return false;
+                if (!$this->isCached($cacheId)) {
+                    $this->setCached(
+                        $cacheId,
+                        Mage::getModel('catalog/product')
+                            ->setStoreId($storeId)
+                            ->load($entity->getProductId())
+                            ->getGiftMessageAvailable()
+                    );
+                }
+                return $this->_getDependenceFromStoreConfig(
+                    $this->getCached($cacheId),
+                    $store
+                );
+            default:
+                return Mage::getStoreConfigFlag(self::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ORDER, $store);
+        }
     }
 
     /**
      * Check availability of gift messages from store config if flag eq 2.
      *
-     * @param int $productGiftMessageAllow
-     * @param Mage_Core_Model_Store|integer $store
-     * @return bool|int
+     * @param bool $productGiftMessageAllow
+     * @param bool|int|Mage_Core_Model_Store|null|string $store
+     * @return bool
      */
     protected function _getDependenceFromStoreConfig($productGiftMessageAllow, $store = null)
     {
-        $result = Mage::getStoreConfig(self::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS, $store);
+        $result = Mage::getStoreConfigFlag(self::XPATH_CONFIG_GIFT_MESSAGE_ALLOW_ITEMS, $store);
         if ($productGiftMessageAllow === '' || is_null($productGiftMessageAllow)) {
             return $result;
         } else {
@@ -166,9 +174,9 @@ protected function _getDependenceFromStoreConfig($productGiftMessageAllow, $stor
     /**
      * Alias for isMessagesAvailable(...)
      *
-     * @param string $type
-     * @param Mage_Core_Model_Store|integer $store
-     * @return bool|int
+     * @param self::TYPE_* $type
+     * @param bool|int|Mage_Core_Model_Store|null|string $store
+     * @return bool
      */
     public function getIsMessagesAvailable($type, Varien_Object $entity, $store = null)
     {
diff --git a/app/code/core/Mage/Install/etc/install.xml b/app/code/core/Mage/Install/etc/install.xml
index 99c8debe638..750049ea442 100644
--- a/app/code/core/Mage/Install/etc/install.xml
+++ b/app/code/core/Mage/Install/etc/install.xml
@@ -82,6 +82,7 @@
                     <mcrypt/>
                 </mcrypt>
                 <pdo/>
+                <pdo_mysql/>
                 <simplexml/>
                 <soap/>
                 <spl/>
diff --git a/app/code/core/Mage/Sales/Block/Order/Creditmemo.php b/app/code/core/Mage/Sales/Block/Order/Creditmemo.php
index 5be72003dea..a9179d7afd9 100644
--- a/app/code/core/Mage/Sales/Block/Order/Creditmemo.php
+++ b/app/code/core/Mage/Sales/Block/Order/Creditmemo.php
@@ -144,6 +144,6 @@ public function canDisplayGiftmessage(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order', $this->getOrder());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ORDER, $this->getOrder());
     }
 }
diff --git a/app/code/core/Mage/Sales/Block/Order/Invoice.php b/app/code/core/Mage/Sales/Block/Order/Invoice.php
index 88a04702f9e..ce172ae5211 100644
--- a/app/code/core/Mage/Sales/Block/Order/Invoice.php
+++ b/app/code/core/Mage/Sales/Block/Order/Invoice.php
@@ -144,6 +144,6 @@ public function canDisplayGiftmessage(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order', $this->getOrder());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ORDER, $this->getOrder());
     }
 }
diff --git a/app/code/core/Mage/Sales/Block/Order/Item/Renderer/Default.php b/app/code/core/Mage/Sales/Block/Order/Item/Renderer/Default.php
index 7046555a6ce..024f3038607 100644
--- a/app/code/core/Mage/Sales/Block/Order/Item/Renderer/Default.php
+++ b/app/code/core/Mage/Sales/Block/Order/Item/Renderer/Default.php
@@ -182,7 +182,10 @@ public function canDisplayGiftmessage(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order_item', $this->getOrderItem()) && $this->getItem()->getGiftMessageId();
+        return $helper->getIsMessagesAvailable(
+            $helper::TYPE_ORDER_ITEM,
+            $this->getOrderItem()
+        ) && $this->getItem()->getGiftMessageId();
     }
 
     public function getGiftMessage(): ?Mage_GiftMessage_Model_Message
diff --git a/app/code/core/Mage/Sales/Block/Order/Items.php b/app/code/core/Mage/Sales/Block/Order/Items.php
index af74473f90f..9892c1d51be 100644
--- a/app/code/core/Mage/Sales/Block/Order/Items.php
+++ b/app/code/core/Mage/Sales/Block/Order/Items.php
@@ -38,6 +38,6 @@ public function canDisplayGiftmessage(Mage_Sales_Model_Order_Item $item): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order_item', $item) && $item->getGiftMessageId();
+        return $helper->getIsMessagesAvailable($helper::TYPE_ORDER_ITEM, $item) && $item->getGiftMessageId();
     }
 }
diff --git a/app/code/core/Mage/Sales/Block/Order/Shipment.php b/app/code/core/Mage/Sales/Block/Order/Shipment.php
index 6a82a447331..73eec7f19da 100644
--- a/app/code/core/Mage/Sales/Block/Order/Shipment.php
+++ b/app/code/core/Mage/Sales/Block/Order/Shipment.php
@@ -144,6 +144,6 @@ public function canDisplayGiftmessage(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order', $this->getOrder());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ORDER, $this->getOrder());
     }
 }
diff --git a/app/code/core/Mage/Sales/Block/Order/View.php b/app/code/core/Mage/Sales/Block/Order/View.php
index 4e5add748fe..1948e97a0ee 100644
--- a/app/code/core/Mage/Sales/Block/Order/View.php
+++ b/app/code/core/Mage/Sales/Block/Order/View.php
@@ -126,7 +126,7 @@ public function canDisplayGiftmessageItems(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('items', $this->getOrder());
+        return $helper->getIsMessagesAvailable($helper::TYPE_ITEMS, $this->getOrder());
     }
 
     public function canDisplayGiftmessageOrder(): bool
@@ -136,6 +136,9 @@ public function canDisplayGiftmessageOrder(): bool
         }
         /** @var Mage_GiftMessage_Helper_Message $helper */
         $helper = $this->helper('giftmessage/message');
-        return $helper->getIsMessagesAvailable('order', $this->getOrder()) && $this->getOrder()->getGiftMessageId();
+        return $helper->getIsMessagesAvailable(
+            $helper::TYPE_ORDER,
+            $this->getOrder()
+        ) && $this->getOrder()->getGiftMessageId();
     }
 }
diff --git a/composer.json b/composer.json
index bedc06e2a6a..ecfc8eb1fb7 100644
--- a/composer.json
+++ b/composer.json
@@ -20,6 +20,7 @@
         "ext-libxml": "*",
         "ext-mbstring": "*",
         "ext-pdo": "*",
+        "ext-pdo_mysql": "*",
         "ext-simplexml": "*",
         "ext-soap": "*",
         "ext-zlib": "*",
diff --git a/composer.lock b/composer.lock
index c807efa7521..915321e0cea 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "5c164bfdfd01cced28e1b11221d14509",
+    "content-hash": "d9a600770935f43ce6b2a1a5bf3fbafb",
     "packages": [
         {
             "name": "colinmollenhour/cache-backend-redis",
@@ -7199,7 +7199,7 @@
     ],
     "aliases": [],
     "minimum-stability": "dev",
-    "stability-flags": [],
+    "stability-flags": {},
     "prefer-stable": true,
     "prefer-lowest": false,
     "platform": {
@@ -7216,6 +7216,7 @@
         "ext-libxml": "*",
         "ext-mbstring": "*",
         "ext-pdo": "*",
+        "ext-pdo_mysql": "*",
         "ext-simplexml": "*",
         "ext-soap": "*",
         "ext-zlib": "*"
diff --git a/tests/unit/Mage/Downloadable/Helper/FileTest.php b/tests/unit/Mage/Downloadable/Helper/FileTest.php
index be2aed43933..d4aa38a2f53 100644
--- a/tests/unit/Mage/Downloadable/Helper/FileTest.php
+++ b/tests/unit/Mage/Downloadable/Helper/FileTest.php
@@ -36,6 +36,7 @@ public function setUp(): void
      * @dataProvider provideGetFilePathData
      *
      * @group Mage_Downloadable
+     * @group Mage_Downloadable_Helper
      */
     public function testGetFilePath(string $expectedResult, string $path, ?string $file): void
     {
diff --git a/tests/unit/Mage/GiftMessage/Helper/MessageTest.php b/tests/unit/Mage/GiftMessage/Helper/MessageTest.php
new file mode 100644
index 00000000000..67d5c3eee90
--- /dev/null
+++ b/tests/unit/Mage/GiftMessage/Helper/MessageTest.php
@@ -0,0 +1,77 @@
+<?php
+
+/**
+ * OpenMage
+ *
+ * This source file is subject to the Open Software License (OSL 3.0)
+ * that is bundled with this package in the file LICENSE.txt.
+ * It is also available at https://opensource.org/license/osl-3-0-php
+ *
+ * @category   OpenMage
+ * @package    OpenMage_Tests
+ * @copyright  Copyright (c) 2024 The OpenMage Contributors (https://www.openmage.org)
+ * @license    https://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
+ */
+
+declare(strict_types=1);
+
+namespace OpenMage\Tests\Unit\Mage\GiftMessage\Helper;
+
+use Generator;
+use Mage;
+use Mage_Catalog_Model_Product;
+use Mage_GiftMessage_Helper_Message as Subject;
+use PHPUnit\Framework\TestCase;
+use Varien_Object;
+
+class MessageTest extends TestCase
+{
+    public Subject $subject;
+
+    public function setUp(): void
+    {
+        Mage::app();
+        $this->subject = Mage::helper('giftmessage/message');
+    }
+
+    /**
+     * @dataProvider provideIsMessagesAvailable
+     *
+     * @group Mage_GiftMessage
+     * @group Mage_GiftMessage_Helper
+     */
+    public function testIsMessagesAvailable(string $type, Varien_Object $entity, $store = null): void
+    {
+        $this->assertIsBool($this->subject->isMessagesAvailable($type, $entity, $store));
+    }
+
+    public function provideIsMessagesAvailable(): Generator
+    {
+        $entity = new Varien_Object();
+
+        yield Subject::TYPE_ADDRESS_ITEM => [
+            Subject::TYPE_ADDRESS_ITEM,
+            $entity,
+        ];
+        yield Subject::TYPE_ITEM => [
+            Subject::TYPE_ITEM,
+            $entity->setProduct(new Mage_Catalog_Model_Product()),
+        ];
+        yield Subject::TYPE_ITEMS => [
+            Subject::TYPE_ITEMS,
+            $entity,
+        ];
+        yield Subject::TYPE_ORDER => [
+            Subject::TYPE_ORDER,
+            $entity,
+        ];
+        yield Subject::TYPE_ORDER_ITEM => [
+            Subject::TYPE_ORDER_ITEM,
+            $entity,
+        ];
+        yield 'invalid type' => [
+            'quote',
+            $entity,
+        ];
+    }
+}