Test class for visualforce (VF) page with URL parameters

//Test class for visualforce (VF) page with URL parameters
/*
Here i am creating test class for standard controller as well when we want to pass parameters in URL 
*/
@isTest
public class VFTestClass
{

static testmethod void VFPageControllerTest()
    {
Test.startTest();
   
insert account; //Insert an account

PageReference pageRef = Page.VFPAGENAME;
pageRef.getParameters().put('id', account.id);   // URL parameter "id"
Test.setCurrentPage(pageRef);

ApexPages.Standardcontroller sc = new ApexPages.Standardcontroller(account);  
CLASSNAME classInstanat = new CLASSNAME(sc);

classInstanat.SaveRecord(); // method in controller class
test.stopTest();  
}


}