<?xml version="1.0"?>

<layout xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/layout_generic.xsd">
    <referenceContainer name="content">
        <uiComponent name="test_form"/>
    </referenceContainer>
</layout>

<referenceContainer name="content">
        <uiComponent name="gallery_form"/>
        <referenceContainer name="product_form">
            <block name="gallery" class="MagentoCatalogBlockAdminhtmlProductHelperFormGallery">
                <arguments>
                    <argument name="config" xsi:type="array">
                        <item name="label" xsi:type="string" translate="true">Images</item>
                        <item name="collapsible" xsi:type="boolean">true</item>
                        <item name="opened" xsi:type="boolean">false</item>
                        <item name="sortOrder" xsi:type="string">22</item>
                        <item name="canShow" xsi:type="boolean">true</item>
                        <item name="componentType" xsi:type="string">fieldset</item>
                    </argument>
                </arguments>
                <block class="MagentoCatalogBlockAdminhtmlProductHelperFormGalleryContent" as="content">
                    <arguments>
                        <argument name="config" xsi:type="array">
                            <item name="parentComponent" xsi:type="string">product_form.product_form.block_gallery.block_gallery</item>
                        </argument>
                    </arguments>
                </block>
            </block>
        </referenceContainer>
    </referenceContainer>