diff --git a/core/modules/language/lib/Drupal/language/Tests/LanguageConfigurationTest.php b/core/modules/language/lib/Drupal/language/Tests/LanguageConfigurationTest.php
index 304ef78..46e6e1c 100644
--- a/core/modules/language/lib/Drupal/language/Tests/LanguageConfigurationTest.php
+++ b/core/modules/language/lib/Drupal/language/Tests/LanguageConfigurationTest.php
@@ -107,28 +107,28 @@ function testLanguageConfigurationWeight() {
     // User to add and remove language.
     $admin_user = $this->drupalCreateUser(array('administer languages', 'access administration pages'));
     $this->drupalLogin($admin_user);
-    $this->assertTrue(self::hasLowWeight(), 'System languages has low weight by default');
+    $this->assertTrue($this->hasHighWeight(), 'System languages has low weight by default');
 
     // Add predefined language.
     $edit = array(
       'predefined_langcode' => 'fr',
     );
     $this->drupalPost('admin/config/regional/language/add', $edit, 'Add language');
-    $this->assertTrue(self::hasLowWeight(), 'System languages has low weight after adding new language');
+    $this->assertTrue($this->hasHighWeight(), 'System languages has high weight after adding new language');
 
     // Re-ordering languages.
     $edit = array(
-      'languages[en][weight]' => $this->getLowWeight() - 1,
+      'languages[en][weight]' => $this->getHighWeight() + 1,
     );
     $this->drupalPost('admin/config/regional/language', $edit, 'Save configuration');
-    $this->assertTrue(self::hasLowWeight(), 'System languages has low weight after re-orderng languages');
+    $this->assertTrue($this->hasHighWeight(), 'System languages has high weight after re-ordering languages');
 
     // Remove predefined language.
     $edit = array(
       'confirm' => 1,
     );
     $this->drupalPost('admin/config/regional/language/delete/fr', $edit, 'Delete');
-    $this->assertTrue(self::hasLowWeight(), 'System languages has low weight after deleting a language');
+    $this->assertTrue($this->hasHighWeight(), 'System languages has high weight after deleting a language');
   }
 
   /**
@@ -136,9 +136,9 @@ function testLanguageConfigurationWeight() {
    *
    * @return bool
    */
-  protected function hasLowWeight() {
+  protected function hasHighWeight() {
     $system_lang_weight = db_query('SELECT weight FROM {language} WHERE locked = 1 limit 1')->fetchField();
-    return $system_lang_weight <= $this->getLowWeight();
+    return $system_lang_weight >= $this->getHighWeight();
   }
 
   /**
@@ -146,7 +146,7 @@ protected function hasLowWeight() {
    *
    * @return int
    */
-  protected function getLowWeight(){
-    return db_query('SELECT MIN(weight) FROM {language} WHERE locked = 0')->fetchField();
+  protected function getHighWeight(){
+    return db_query('SELECT MAX(weight) FROM {language} WHERE locked = 0')->fetchField();
   }
 }