Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/behat/mink/tests/Exception/ElementExceptionTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace Behat\Mink\Tests\Exception;
+
+use Behat\Mink\Exception\ElementException;
+
+/**
+ * @group legacy
+ */
+class ElementExceptionTest extends \PHPUnit_Framework_TestCase
+{
+    public function testMessage()
+    {
+        $exception = new ElementException($this->getElementMock(), new \Exception('Something went wrong'));
+
+        $expectedMessage = "Exception thrown by element XPath\nSomething went wrong";
+        $this->assertEquals($expectedMessage, $exception->getMessage());
+        $this->assertEquals($expectedMessage, (string) $exception);
+    }
+
+    public function testElement()
+    {
+        $element = $this->getElementMock();
+
+        $exception = new ElementException($element, new \Exception('Something went wrong'));
+
+        $this->assertSame($element, $exception->getElement());
+    }
+
+    private function getElementMock()
+    {
+        $mock = $this->getMockBuilder('Behat\Mink\Element\Element')
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $mock->expects($this->any())
+            ->method('getXPath')
+            ->will($this->returnValue('element XPath'));
+
+        return $mock;
+    }
+}