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

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

@@ -0,0 +1,50 @@
+<?php
+
+namespace Behat\Mink\Tests\Exception;
+
+use Behat\Mink\Exception\ElementNotFoundException;
+
+class ElementNotFoundExceptionTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @dataProvider provideExceptionMessage
+     */
+    public function testBuildMessage($message, $type, $selector = null, $locator = null)
+    {
+        $driver = $this->getMock('Behat\Mink\Driver\DriverInterface');
+
+        $exception = new ElementNotFoundException($driver, $type, $selector, $locator);
+
+        $this->assertEquals($message, $exception->getMessage());
+    }
+
+    public function provideExceptionMessage()
+    {
+        return array(
+            array('Tag not found.', null),
+            array('Field not found.', 'field'),
+            array('Tag matching locator "foobar" not found.', null, null, 'foobar'),
+            array('Tag matching css "foobar" not found.', null, 'css', 'foobar'),
+            array('Field matching xpath "foobar" not found.', 'Field', 'xpath', 'foobar'),
+            array('Tag with name "foobar" not found.', null, 'name', 'foobar'),
+        );
+    }
+
+    /**
+     * @group legacy
+     */
+    public function testConstructWithSession()
+    {
+        $driver = $this->getMock('Behat\Mink\Driver\DriverInterface');
+        $session = $this->getMockBuilder('Behat\Mink\Session')
+            ->disableOriginalConstructor()
+            ->getMock();
+        $session->expects($this->any())
+            ->method('getDriver')
+            ->will($this->returnValue($driver));
+
+        $exception = new ElementNotFoundException($session);
+
+        $this->assertEquals('Tag not found.', $exception->getMessage());
+    }
+}