Why PHPUnit error ? about someline-starter HOT 6 OPEN

Encryption keys generated successfully.
Personal access client created successfully.
Client ID: 1
Client Secret: pLf0kt54KAUPn3R5ON6AryWTcM1NzUOhVuZiAmyG
Password grant client created successfully.
Client ID: 2
Client Secret: q0UGyoSRjU1RXc0K4fhpB9Cdjyz7iMgfNv3SL4nb

D:\wamp\bin\php\php7.0.4\php.exe -ddxdebug.remote_enable=1 -ddxdebug.remote_host=127.0.0.1 -ddxdebug.remote_port=9001 -ddxdebug.remote_mode=req D:/Works/PHP/someline-starter/vendor/phpunit/phpunit/phpunit --no-configuration --filter "/::testGetAllUsers( .*)?$/" UserTest D:\Works\PHP\someline-starter\tests\Api\UserTest.php --teamcity
Testing started at 1:27 ...
PHPUnit 5.6.5 by Sebastian Bergmann and contributors.


Failed to get access token for grant type [password]!
 D:\Works\PHP\someline-starter\vendor\someline\rest-api-client\src\Someline\Rest\RestClient.php:357
 D:\Works\PHP\someline-starter\vendor\someline\rest-api-client\src\Someline\Rest\RestClient.php:401
 D:\Works\PHP\someline-starter\vendor\someline\rest-api-client\src\Someline\Rest\RestClient.php:412
 D:\Works\PHP\someline-starter\tests\Api\BaseApiTestCase.php:52
 D:\Works\PHP\someline-starter\tests\Api\UserTest.php:14

--------
REST CLIENT SERVICE: local, ENVIRONMENT: dev
REST CLIENT BASE URI: http://someline-starter.app/

Response STATUS CODE is 401:
Array
(
    [error] => invalid_client
    [message] => Client authentication failed
)


Time: 1.69 seconds, Memory: 12.00MB


ERRORS!
Tests: 1, Assertions: 0, Errors: 1.

Process finished with exit code 2

        'client_id' => '1',
        'client_secret' => 'pLf0kt54KAUPn3R5ON6AryWTcM1NzUOhVuZiAmyG',

        'client_id' => '2',
        'client_secret' => 'q0UGyoSRjU1RXc0K4fhpB9Cdjyz7iMgfNv3SL4nb',

        $table->string('email',50)->index();
        $table->string('token',200)->index();

RuntimeException: Failed to get access token for grant type [password]!

Response STATUS CODE is 401:
Array
(
    [error] => invalid_client
    [message] => Client authentication failed
)