public function testSetNumInstancesInvalidVersion()
 {
     $req = new SetNumInstancesRequest();
     $resp = new ApplicationError(ErrorCode::INVALID_VERSION, 'invalid version');
     $req->setInstances(3);
     $this->setExpectedException('\\google\\appengine\\api\\modules\\ModulesException');
     $this->apiProxyMock->expectCall('modules', 'SetNumInstances', $req, $resp);
     ModulesService::setNumInstances(3);
     $this->apiProxyMock->verify();
 }