diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index 8662aa9..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" />
-</project>
\ No newline at end of file
diff --git a/core/modules/language/src/Plugin/Block/LanguageBlock.php b/core/modules/language/src/Plugin/Block/LanguageBlock.php
index 1e7c26b..bb9455b 100644
--- a/core/modules/language/src/Plugin/Block/LanguageBlock.php
+++ b/core/modules/language/src/Plugin/Block/LanguageBlock.php
@@ -138,7 +138,7 @@ public function blockForm($form, FormStateInterface $form_state) {
     $languages = $this->languageManager->getLanguages();
     // Warn the user that if only one language is enabled the block won't appear.
     if (count($languages) == 1) {
-      drupal_set_message($this->t('Only one language is enabled. Therefore the language switcher block will not be shown. To add a new language on the site, go to @language-link.', array('@language-link' => \Drupal::l(t('Language list'), Url::fromRoute('entity.configurable_language.collection')))), 'warning');
+      drupal_set_message($this->t('Only one language is enabled. Therefore the language switcher block will not be shown. To add a new language on the site, go to @language-link.', array('@language-link' => \Drupal::l($this->t('Language list'), Url::fromRoute('entity.configurable_language.collection')))), 'warning');
     }
     // Warn the user that if there are no links to show because language-url
     // method detection isn't enabled, the block won't appear.
diff --git a/core/modules/language/src/Tests/LanguageSwitchingTest.php b/core/modules/language/src/Tests/LanguageSwitchingTest.php
index 828e943..828f11a 100644
--- a/core/modules/language/src/Tests/LanguageSwitchingTest.php
+++ b/core/modules/language/src/Tests/LanguageSwitchingTest.php
@@ -309,7 +309,7 @@ function testLanguageSwitcher() {
     // TODO: The system can show more than one message, check it in a loop.
     $warning_messages = $this->xpath('//div[@class="region region-content"]/div[@class="messages messages--status"]/ul/li');
     foreach($warning_messages as $warning) {
-      $warning_bool = ($warning->__toString() == 'The block Language Switcher cannot be added.')? true : false;
+      $warning_bool = ((string) $warning === 'The block Language Switcher cannot be added.') ? TRUE : FALSE;
     }
     $this->assertTrue($warning_bool, 'Message to warning the user the block cannot be added.');
   }