Issue #3156345 by jungle, S_Bhandari, Hardik_Patel_12, kiamlaluno, alexpott:...

      ],

    ];

    // Create a URL-based language negotiation method definition.

    $method_definitions = [

      LanguageNegotiationUrl::METHOD_ID => [

        'class' => '\Drupal\language\Plugin\LanguageNegotiation\LanguageNegotiationUrl',

        'weight' => 9,

      ],

    ];

    // Create a URL-based language negotiation method.

    $method_instance = new LanguageNegotiationUrl($config);

    // Create a language manager stub.

    $language_manager = $this->getMockBuilder('Drupal\language\ConfigurableLanguageManagerInterface')

      ->getMock();

      ->method('getLanguageTypes')

      ->will($this->returnValue([LanguageInterface::TYPE_INTERFACE]));

    $method_instance->setLanguageManager($language_manager);

    $this->languageManager = $language_manager;

  }