MAGETWO-42138: [PHP] CMS Page Update

- Functional tests fixes

Author: sevos1984

dev/tests/functional/tests/app/Magento/Cms/Test/Block/Adminhtml/Page/Edit/PageForm.php

@@ -74,6 +74,13 @@ class PageForm extends Form
      */
     protected $contentHeading = '[name="content_heading"]';
 
+    /**
+     * Collapsible Elements locator.
+     *
+     * @var string
+     */
+    protected $collapsibleElements = '.admin__collapsible-title';
+
     /**
      * Fixture factory.
      *
@@ -163,18 +170,33 @@ public function getWidgetBlock()
             ['element' => $this->_rootElement->find($this->widgetBlock, Locator::SELECTOR_XPATH)]
         );
     }
+    /**
+     * Show collapsible elements.
+     *
+     * @param SimpleElement $element [optional]
+     * @return void
+     */
+    public function showCollapsible(SimpleElement $element = null)
+    {
+        $context = $element === null ? $this->_rootElement : $element;
+        $collapsibleElements = $context->getElements($this->collapsibleElements);
+        foreach ($collapsibleElements as $collapsibleElement) {
+            if ($collapsibleElement->isVisible()) {
+                $collapsibleElement->click();
+            }
+        }
+    }
 
     /**
      * Fill data to content fields on content tab.
      *
      * @param FixtureInterface $fixture
      * @param SimpleElement|null $element
      * @return $this
-     *
-     * @SuppressWarnings(PHPMD.NPathComplexity)
      */
     public function fill(FixtureInterface $fixture, SimpleElement $element = null)
     {
+        $this->showCollapsible();
         $data = $fixture->getData();
         $fields = isset($data['fields']) ? $data['fields'] : $data;
         $context = $element === null ? $this->_rootElement : $element;