MAGETWO-31195: Image compression and sizing

- fixed tests

Author: Dmytro Vilchynskyi

app/code/Magento/Catalog/etc/widget.xml

@@ -8,7 +8,7 @@
 <widgets xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="../../../Magento/Widget/etc/widget.xsd">
     <widget id="new_products" class="Magento\Catalog\Block\Product\Widget\NewWidget" is_email_compatible="true"
-            placeholder_image="Magento_Catalog::images/product_widget_new.gif" ttl="86400">
+            placeholder_image="Magento_Catalog::images/product_widget_new.png" ttl="86400">
         <label translate="true">Catalog New Products List</label>
         <description translate="true">List of Products that are set as New</description>
         <parameters>

dev/tests/integration/testsuite/Magento/Widget/Model/Config/_files/catalog_new_products_list.xml

@@ -8,7 +8,7 @@
 <widgets xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="../../../../../../../../../app/code/Magento/Widget/etc/widget.xsd">
     <widget id="new_products" class="Magento\Catalog\Block\Product\Widget\NewWidget" is_email_compatible="true"
-            placeholder_image="Magento_Catalog::images/product_widget_new.gif">
+            placeholder_image="Magento_Catalog::images/product_widget_new.png">
         <label translate="true">Catalog New Products List</label>
         <description translate="true">List of Products that are set as New</description>
         <parameters>

dev/tests/integration/testsuite/Magento/Widget/Model/Config/_files/expectedMergedArray.php

@@ -7,7 +7,7 @@
     'new_products' => [
         '@' => ['type' => 'Magento\Sales\Block\Widget\Guest\Form'],
         'is_email_compatible' => '1',
-        'placeholder_image' => 'Magento_Catalog::images/product_widget_new.gif',
+        'placeholder_image' => 'Magento_Catalog::images/product_widget_new.png',
         'name' => 'Orders and Returns',
         'description' => 'Orders and Returns Search Form',
         'parameters' => [

dev/tests/integration/testsuite/Magento/Widget/Model/WidgetTest.php

@@ -60,7 +60,7 @@ public function getPlaceholderImageUrlDataProvider()
         return [
             'custom image' => [
                 'Magento\Catalog\Block\Product\Widget\NewWidget',
-                'Magento_Catalog/images/product_widget_new.gif',
+                'Magento_Catalog/images/product_widget_new.png',
             ],
             'default image' => ['non_existing_widget_type', 'Magento_Widget/placeholder.gif']
         ];

dev/tests/integration/testsuite/Magento/Widget/_files/design/adminhtml/magento_basic/Magento_Catalog/web/images/product_widget_new.gif

@@ -8,7 +8,7 @@
 <widgets xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:noNamespaceSchemaLocation="../../../../../../../../../../app/code/Magento/Widget/etc/widget.xsd">
     <widget id="new_products" class="Magento\Catalog\Block\Product\Widget\NewWidget" module="Magento_Catalog" is_email_compatible="true"
-            placeholder_image="Magento_Catalog::images/product_widget_new.gif" translate="label description">
+            placeholder_image="Magento_Catalog::images/product_widget_new.png" translate="label description">
         <label>Catalog New Products List</label>
         <description>List of Products that are set as New</description>
         <parameter name="display_type" type="select" required="true" visible="true" translate="label description">