Google\Cloud\Tests\RequestWrapperTest::testCredentialsFromKeyFileStreamCanBeReadMultipleTimes PHP Метод

    public function testCredentialsFromKeyFileStreamCanBeReadMultipleTimes($wrapperConfig)
    {
        $requestWrapper = new RequestWrapper($wrapperConfig);
        $requestWrapper->getCredentialsFetcher();
        $credentials = $requestWrapper->getCredentialsFetcher();
        $this->assertInstanceOf('Google\\Auth\\FetchAuthTokenInterface', $credentials);
    }