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

core/modules/tour/src/Entity/Tour.php

@@ -171,7 +171,7 @@ class Tour extends ConfigEntityBase implements TourInterface {
   public function calculateDependencies() {
     parent::calculateDependencies();
 
-    foreach($this->tipsCollection as $instance) {
+    foreach ($this->tipsCollection as $instance) {
       $definition = $instance->getPluginDefinition();
       $this->addDependency('module', $definition['provider']);
     }

core/modules/tour/src/Tests/TourTest.php

@@ -184,4 +184,5 @@ class TourTest extends TourTestBasic {
     ));
     $this->assertEqual(count($elements), 0, 'Did not find English variant of tip 1.');
   }
+
 }

core/modules/tour/src/TipPluginBase.php

@@ -78,4 +78,5 @@ abstract class TipPluginBase extends PluginBase implements TipPluginInterface {
   public function set($key, $value) {
     $this->configuration[$key] = $value;
   }
+
 }

core/modules/tour/tests/src/Unit/Entity/TourTest.php

@@ -41,7 +41,7 @@ class TourTest extends UnitTestCase {
     $tour->resetKeyedRoutes();
   }
 
-  /*
+  /**
    * Provides sample routes for testing.
    */
   public function routeProvider() {