/**
* Creates test OAuth client instance.
* @return BaseOAuth oauth client.
*/
protected function createOAuthClient()
{
$oauthClient = $this->getMock(BaseOAuth::className(), ['setState', 'getState', 'composeRequestCurlOptions', 'refreshAccessToken', 'apiInternal']);
$oauthClient->expects($this->any())->method('setState')->will($this->returnValue($oauthClient));
$oauthClient->expects($this->any())->method('getState')->will($this->returnValue(null));
return $oauthClient;
}
