Fix failed test

Stanislav Idolov · web-flow · commit 16d75afb0065 · 2018-07-21T09:49:26.000+03:00
diff --git a/app/code/Magento/Backend/Block/Widget/Tabs.php b/app/code/Magento/Backend/Block/Widget/Tabs.php
@@ -242,7 +242,8 @@ protected function _beforeToHtml()
 
         if ($this->_activeTab === null && !empty($this->_tabs)) {
             /** @var TabInterface $tab */
-            $this->_activeTab = (reset($this->_tabs))->getId();
+            $tab = reset($this->_tabs);
+            $this->_activeTab = $tab->getId();
         }
         
         $this->assign('tabs', $this->_tabs);

Original file line number	Diff line number	Diff line change
`@@ -242,7 +242,8 @@ protected function _beforeToHtml()`
`242`	`242`
`243`	`243`	`if ($this->_activeTab === null && !empty($this->_tabs)) {`
`244`	`244`	`/** @var TabInterface $tab */`
`245`		`- $this->_activeTab = (reset($this->_tabs))->getId();`
	`245`	`+ $tab = reset($this->_tabs);`
	`246`	`+ $this->_activeTab = $tab->getId();`
`246`	`247`	`}`
`247`	`248`
`248`	`249`	`$this->assign('tabs', $this->_tabs);`