public PageReference finish() {
     
          String lastres;
          ID lastid;
          rs=[select Name,Id from Resource__c];
          List<String> reslist=new List<String>();
        for(Integer i=0;i<rs.size();i++)
          {
                reslist.add(rs[i].Name);
          }
          reslist.sort();
          lastres=reslist[reslist.size()-1];
          List<Resource__c> resource=new List<Resource__c>();
          resource= Database.query('select Employee__r.Name__c,Start_Date_on_SF__c,prevDate__​c,Training_Plan__r.Unselected__c,Training_Batch__r​.Training_Plan__r.Unselected__c,Id,Name,Training_B​atch__r.Name,Training_Batch__r.Training_Plan__r.Na​me,Training_Plan__r.Name,Training_Batch__c,Trainin​g_Plan__c from Resource__c where Name=:lastres');
         System.debug('Resource Name is'+resource[0].Employee__r.Name__c+'.........');
          lastid=resource[0].Id;
          resourceName=resource[0].Name;
          Date SF_StartDate=Date.valueof(resource[0].Start_Date_o​n_SF__c);
          lastTrainingPlan=resource[0].Training_Batch__r.Tra​ining_Plan__r.Name;
          lastTrainingBatch=resource[0].Training_Batch__r.Na​me;
 
      if(lastTrainingBatch==null)
      {
       pl=resource[0].Training_Plan__r.Name;
       unselectSub= resource[0].Training_Plan__r.Unselected__c;
      }
      else
      {
      pl=lastTrainingPlan;
      unselectSub= resource[0].Training_Batch__r.Training_Plan__r.Uns​elected__c;
      }
   

      //    unselectSub= resource[0].Training_Batch__r.Training_Plan__r.Uns​elected__c;
          finalone=new List<String>();
          if(unselectSub!=Null)
          finalone=unselectSub.split('/',100);
         
          List<Training_Plan_Module__c> mdle=new List<Training_Plan_Module__c>();
          mdle=Database.query('select Module__r.Name,Module__r.Name__c from Training_Plan_Module__c where Training_Plan__r.Name=:pl order by  Module__r.Name');

         for(Integer i=0;i<mdle.size();i++)
         {
        
             List<Submodule__c> submodule=new List<Submodule__c>();
             List<String> temp1=new List<String>();
            
             kt=mdle[i].Module__r.Name;
          
                submodule=Database.query('select Name,Hours__c,ID from Submodule__c where Module__r.Name=:kt');
                for(Integer j=0;j<submodule.size();j++)
                {
                    chk=0;
                    if(unselectSub!=Null)
                    {
                      for(Integer k=0;k<finalone.size();k++)
                     {
                          
                     if(finalone[k]==submodule[j].Name)
                     {
                             chk=1;
                      
                     }
                     }
                     }
                    
                         if(chk==0)
                         {
                                 Resource_Tracker__c Re=new Resource_Tracker__c();
                                 Re.Resource__c=lastid;          
                                 Re.Submodule__c=submodule[j].id;
                                 insert re;
                         }
                }
             }
        
         startDate=NULL;
         List<Resource_Tracker__c> addmilestone =new List<Resource_Tracker__c>();
        addmilestone=Database.query('select Submodule__r.Name__c, Expected_Finish_Date__c,Submodule__r.Hours__c, Submodule__r.Module__r.Name__c FROM Resource_Tracker__c where Resource__r.Name=:lastres order by Submodule__r.Module__c'); 
         startDate=SF_StartDate;
         AllTotal=0;
        
         for(Integer i=0;i<addmilestone.size();i++)
         {
         hrs=8;
         AllTotal=AllTotal+Double.ValueOf(addmilestone[i].S​ubmodule__r.Hours__c);
    
         if(givemeday(startDate)==6||givemeday(startDate)==​7||isholiday(startDate)==true)
        {
            startDate=startDate+1;
            i--;
            continue;
        }
        else
        {
        Double capturedHrs=isSpecialCase(startDate);
           if(capturedHrs != null)
            {
                hrs=capturedHrs;  
            }

       
            if(AllTotal>hrs)
            {
                AllTotal=Alltotal-hrs;
                startDate=startDate+1;
            }
        
        }
          while(true)
        {
         if(givemeday(startDate)==6||givemeday(startDate)==​7||isholiday(startDate)==true)
        {
        startDate+=1;
        }
        else
        break;
        }
          addmilestone[i].Expected_Finish_Date__c=startDate;
           upsert addmilestone;
         
   
    }
  String str=ApexPages.currentPage().getParameters().get('n​amefield');
    System.debug('Str Value is.... '+str);
  List<Date> dat = populatedata1(str);
     resource[0].prevDate__c = dat[0];
     System.debug('Date Value is.... '+dat[0]);

           upsert resource; 
        Pagereference ref=new PageReference('/apex/crudResource');
        ref.setRedirect(true);
        return ref;
    }

       

////////////////////////////Test Method//////////////////

static testMethod void verifyFinish()
    {
        Employee__c emp = new Employee__c();
        Training_Plan__c plan = new Training_Plan__c();
        Training_Batch__c batch = new Training_Batch__c();       
        Training_Plan_Module__c planmodule = new Training_Plan_Module__c();
        Module__c mod = new Module__c();
        Submodule__c sub = new Submodule__c();

       

        mod.Name__c='module1';
        insert mod;

        sub.Hours__c=double.valueOf('3.0');
        sub.Name__c = 'submodule1';
        sub.link__c = 'http://www.salesfoce.com';
        sub.Module__c=mod.id;
        insert sub;
               
        emp.Name__c = 'employee';
        emp.Email_ID__c = 'emp1@abc.com';
       
        insert emp;
       
        plan.Name__c = 'plan1';
        plan.Selected_hours__c = double.valueOf('3.0');
        plan.Unselected__c='SM-00001/SM-00002/SM-00003/SM-​00005/';
        insert plan;
       
             List<Training_Plan_Module__c> module=new List<Training_Plan_Module__c>();
        module=Database.query('select Module__r.Name,Module__r.Name__c,Training_Plan__c from Training_Plan_Module__c where Training_Plan__r.Name__c=:');*/
        planmodule.Module__c=mod.id;
        planmodule.Training_Plan__c=plan.id;
        insert planmodule;
       
        batch.Name__c = 'batch1';
        batch.Start_Date__c = System.today();
        batch.Training_Plan__c=plan.id;
        insert batch;
       
        ResourceNextController rcc=new ResourceNextController();

        Resource__c Res = new Resource__c();
        Res.Resource_Status__c='status';
        Res.Employee__c = emp.id;
        Res.Assessment__c='assessment';
        Res.Training_Plan__c=plan.id;
        Res.Training_Batch__c=batch.id;
        Res.Billed__c = 3;
        Res.Billing_Project__c = 'SFDC';
        Res.Work_Project__c = 'CMS';
        Res.EarMarked__c = 'yes';
        Res.Start_Date_on_SF__c = system.today();
        Res.prevDate__c = system.today();
        insert Res;

                Special_Case__c SC=new Special_Case__c();
                SC.New_Start_Date__c = system.today();
                SC.New_End_Date__c = system.today()+30;
                SC.New_Hours__c = double.valueOf('3');
                SC.EmpId__c=rcc.Res.id;
                insert SC;

            //    rcc.savenew();
        String nextPage;
        PageReference pageref = Page.ResourceNext;

        pageref.getParameters().put('namefield',Res.Name);
        Test.setCurrentPage(pageref);
        
        Prior_two_days_Mail1 ptd = new Prior_two_days_Mail1();
        ptd.populateData1(Res.Name);
       
        ResourceNextController controlle = new ResourceNextController();
        controlle.changePlanResource=rcc.res.employee__r.N​ame+'['+Res.Name+']';
        controlle.lastTrainingPlan=plan.Name;
   
        controlle.finish();
    

    }

 Here in test method value of 'namefield' is not getting set, hence not calling the populatedata1(). I did some R&D, Why this is happening but couldnt end up on one proper solution. It would be so grateful for me if you could help. Please help me out.