Update to Drupal 8.1.2. For more information, see https://www.drupal.org/project/drupal/releases/8.1.2

core/modules/simpletest/src/Tests/BrokenSetUpTest.php

@@ -116,4 +116,5 @@ class BrokenSetUpTest extends WebTestBase {
       $this->pass('The test method has run.');
     }
   }
+
 }

core/modules/simpletest/src/Tests/FolderTest.php

@@ -23,4 +23,5 @@ class FolderTest extends WebTestBase {
     $directory = file_default_scheme() . '://styles';
     $this->assertTrue(file_prepare_directory($directory, FALSE), 'Directory created.');
   }
+
 }

core/modules/simpletest/src/Tests/InstallationProfileModuleTestsTest.php

@@ -58,4 +58,5 @@ class InstallationProfileModuleTestsTest extends WebTestBase {
     $this->drupalPostForm(NULL, $edit, t('Run tests'));
     $this->assertText('SystemListingCompatibleTest test executed.');
   }
+
 }

core/modules/simpletest/src/Tests/MailCaptureTest.php

@@ -74,4 +74,5 @@ class MailCaptureTest extends WebTestBase {
     $captured_emails = $this->drupalGetMails(array('id' => 'drupal_mail_test_4'));
     $this->assertEqual(count($captured_emails), 2, 'All emails with the same id are returned when filtering by id.', 'Email');
   }
+
 }

core/modules/simpletest/src/Tests/MissingCheckedRequirementsTest.php

@@ -53,4 +53,5 @@ class MissingCheckedRequirementsTest extends WebTestBase {
       $this->fail('Test ran when it failed requirements check.');
     }
   }
+
 }

core/modules/simpletest/src/Tests/MissingDependentModuleUnitTest.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace Drupal\simpletest\Tests;
+
+use Drupal\simpletest\KernelTestBase;
+
+/**
+ * This test should not load since it requires a module that is not found.
+ *
+ * @group simpletest
+ * @dependencies simpletest_missing_module
+ */
+class MissingDependentModuleUnitTest extends KernelTestBase {
+
+  /**
+   * Ensure that this test will not be loaded despite its dependency.
+   */
+  function testFail() {
+    $this->fail('Running test with missing required module.');
+  }
+
+}

core/modules/simpletest/src/Tests/SimpleTestBrowserTest.php

@@ -86,8 +86,8 @@ class SimpleTestBrowserTest extends WebTestBase {
     $this->drupalLogout();
 
     $system_path = $base_url . '/' . drupal_get_path('module', 'system');
-    $HTTP_path = $system_path .'/tests/http.php/user/login';
-    $https_path = $system_path .'/tests/https.php/user/login';
+    $HTTP_path = $system_path . '/tests/http.php/user/login';
+    $https_path = $system_path . '/tests/https.php/user/login';
     // Generate a valid simpletest User-Agent to pass validation.
     $this->assertTrue(preg_match('/simpletest\d+/', $this->databasePrefix, $matches), 'Database prefix contains simpletest prefix.');
     $test_ua = drupal_generate_test_ua($matches[0]);

core/modules/simpletest/src/Tests/SimpleTestTest.php

@@ -78,7 +78,7 @@ if (!function_exists('simpletest_test_stub_settings_function')) {
 }
 EOD;
 
-      file_put_contents($this->siteDirectory. '/' . 'settings.testing.php', $php);
+      file_put_contents($this->siteDirectory . '/' . 'settings.testing.php', $php);
       // @see \Drupal\system\Tests\DrupalKernel\DrupalKernelSiteTest
       $class = __CLASS__;
       $yaml = <<<EOD
@@ -284,11 +284,16 @@ EOD;
   /**
    * Asserts that an assertion with specified values is displayed in results.
    *
-   * @param string $message Assertion message.
-   * @param string $type Assertion type.
-   * @param string $status Assertion status.
-   * @param string $file File where the assertion originated.
-   * @param string $function Function where the assertion originated.
+   * @param string $message
+   *   Assertion message.
+   * @param string $type
+   *   Assertion type.
+   * @param string $status
+   *   Assertion status.
+   * @param string $file
+   *   File where the assertion originated.
+   * @param string $function
+   *   Function where the assertion originated.
    *
    * @return Assertion result.
    */