Hi every one

i have one test class ,i am getting error while run the testcase " constructor not defined in test method"

i am not getting the exact senario that cause this error before that i deploy many class same like this.

My test class look  like

@isTest
private class FFPageTestCase {

static testMethod void myUnitTest() {
FF__c FF;
List<Opportunity> listOpp;
String Id;
String result;
string oppmsg ;
oppmsg = 'Error';

string oppmsg2 ;
oppmsg2 = 'Success';

Opportunity opp = new Opportunity();
opp.Name = 'Test Opp';
opp.StageName = 'Ticketing';
opp.p1_First_Name__c ='A';
opp.p1_Last_Name__c ='D';
opp.p1_Gender__c = 'S';
opp.p1_First_Name__c ='S';
opp.p1_Last_Name__c ='A';
opp.p1_Gender__c = 'D';
opp.DOB_Main_Passenger__c = System.now().date();
opp.Number_of_Passengers__c = 4;
opp.CloseDate = System.now().date();
opp.Departure_Date__c = System.now().date();
opp.Origin_City__c = 'DEL';
opp.Destination_City__c= 'MUI';
opp.Return_Date__c = System.now().date();
opp.Override_Itinerary_Builder__c = true;
opp.Complete_Itinerary_Information__c ='test';
opp.Approved__c ='Test1';
opp.AmMessage__c ='ttttt';
insert opp;


FF = new FF__c();
FF.Account_Number__c ='1234456';
FF.Account_Type__c = 'ANA';
FF.DOB__c = system.today();
FF.Opportunity__c = opp.Id;
FF.Last_Name__c = 'Dutt';
FF.Miles__c = 1.2;
FF.Password__c= 'asd';
FF.Mileage_Cost__c = 0.0210;
insert FF;


ApexPages.StandardController sc = new ApexPages.StandardController(FF);
FFPage sc1 = new FFPage(sc);
sc1.Save();
update FF;

delete FF;

}
}

My class look like 

public class FFPage {

FF__c FF;
public List<Opportunity> listOpp;
public String Id {get; set;}
private String result;

public FFPage(ApexPages.StandardController stdController)
{
FF = (FF__c)stdController.getRecord();
Id = FF.Opportunity__c;
}


public void Save()
{
try
{
if(FF.Id == null)
{
insert FF;

string oppmsg = 'Error';

//Opportunity oppmsg = [SELECT id,AmMessage__c FROM Opportunity WHERE Id = :FF.Opportunity__c];
if(oppmsg != 'Success')
{
  delete FF;
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.WARNING, 'Test'));
}

}
else
{
update FF;
 
string oppmsg2 = 'Success';
//Opportunity oppmsg = [SELECT id,AmMessage__c FROM Opportunity WHERE Id = :FF.Opportunity__c];
if(oppmsg2 != 'Success')
{
 delete FF;
ApexPages.addMessage(new ApexPages.Message(ApexPages.severity.CONFIRM, 'Sucess'));
}
}
}

catch(DmlException ex)
{
ApexPages.addMessages(ex);
}
}

public PageReference SaveAndNew()
{
PageReference pr = new PageReference('/' + Id);
pr.setRedirect(true);
return pr;
}

}

please help me .

Thanks