UPD

tests/VkontakteTest.php

@@ -3,7 +3,7 @@
 namespace Sept\OAuth2\Client\Test\Provider;
 
 use GuzzleHttp\Psr7\Response;
-use Sept\OAuth2\Client\Provider\Vkontakte as Provider;
+use Sept\OAuth2\Client\Provider\VkProvider as Provider;
 use League\OAuth2\Client\Provider\Exception\IdentityProviderException;
 use League\OAuth2\Client\Token\AccessToken;
 use Mockery as m;