/**
  * @covers Guzzle\Http\Plugin\OauthPlugin::getStringToSign
  * @depends testCreatesStringToSignFromPostRequest
  */
 public function testConvertsBooleansToStrings()
 {
     $p = new OauthPlugin($this->config);
     $request = $this->getRequest();
     $request->getQuery()->set('a', true);
     $request->getQuery()->set('c', false);
     $this->assertContains('&a%3Dtrue%26c%3Dfalse', $p->getStringToSign($request, self::TIMESTAMP));
 }