MAGETWO-54935: [Github #1931] Cancellation of element removal in layouts doesn't work

-- integration test

dev/tests/integration/testsuite/Magento/Framework/View/LayoutDirectivesTest.php

@@ -198,6 +198,18 @@ class LayoutDirectivesTest extends \PHPUnit_Framework_TestCase
         $this->assertTrue($layout->isBlock('child_block2'));
     }
 
+    /**
+     * @magentoAppIsolation enabled
+     */
+    public function testRemoveCancellation()
+    {
+        $layout = $this->_getLayoutModel('remove_cancellation.xml');
+        $this->assertTrue($layout->isContainer('container1'));
+        $this->assertTrue($layout->isBlock('child_block1'));
+        $this->assertTrue($layout->isBlock('no_name2'));
+        $this->assertFalse($layout->getBlock('not_exist'));
+    }
+
     /**
      * @magentoAppIsolation enabled
      */

dev/tests/integration/testsuite/Magento/Framework/View/_files/layout_directives_test/remove_cancellation.xml

+<?xml version="1.0"?>
+<!--
+/**
+ * Copyright © 2016 Magento. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+-->
+<layout>
+    <container name="container1" label="Container 1">
+        <block class="Magento\Framework\View\Element\Text" name="no_name2"/>
+    </container>
+    <referenceContainer name="container1" remove="true"/>
+    <referenceBlock name="child_block1" remove="true"/>
+    <block class="Magento\Framework\View\Element\Text" name="block_container" as="block.container">
+        <block class="Magento\Framework\View\Element\Text" name="child_block1"/>
+        <block class="Magento\Framework\View\Element\Text" name="child_block2"/>
+    </block>
+    <referenceContainer name="not_exist" remove="false"/>
+    <referenceContainer name="container1" remove="false"/>
+    <referenceBlock name="child_block1" remove="false"/>
+</layout>