Hi

Need help to get test coverage for custom controller calss.

when i tried it is covering on 29%

Controller class

public with sharing class MassUpdateFldSelected {
 //Variables
 Public List<AccountWrapper> AccountWrapList{get;set;}
 Public string inptstring{get;set;}
 Public string Selectedfield{get;set;}
 Public List<string> fieldsfromfieldset{get;set;}
   
 //Construct Class
 public MassUpdateFldSelected(ApexPages.StandardController controller) {
  fieldsfromfieldset = new List<string>();
 }
  
   Public List<AccountWrapper> getwrapperObj(){
 AccountWrapList = New List<AccountWrapper>();
    List<Account> accList = [Select id,name,Phone,BillingCity,Website from account limit 20];
  for(Account acc: accList){
   AccountWrapList.add(New AccountWrapper(acc,false));
  }
      return AccountWrapList;//AccountWrapList
    }
  
   public List<SelectOption> getfieldsfromfs() {
  List<SelectOption> fieldssets= new List<SelectOption>();
   for(Schema.FieldSetMember fld :SObjectType.account.FieldSets.AccountFeilds.getFields()) {    
                fieldssets.add(new SelectOption(fld.getFieldPath(),fld.getFieldPath()));
            }       
               return fieldssets;
    }

   //Method to updated records for selected fields from picklist
   Public void updateSelectedRecords(){
  List<Account> accountList = New List<Account>();    
   for(AccountWrapper wr: AccountWrapList){        
    if(wr.checkBox == true ){           
     wr.accObj.put(selectedField,inptstring);        
    }            
    accountList.add(wr.accObj);    
   }    
  Update accountList;
   }
   //Method to Delete the selected records
   Public void deleteRecords(){
  List<Account> accToDelList = New List<Account>();    
   for(AccountWrapper wr: AccountWrapList){        
    if(wr.checkBox == true ){
     accToDelList.add(wr.accObj);         
             }            
   }    
  delete accToDelList;
    }
   
    public pagereference BackToHomeBtnClick(){
        pagereference homepage = new pagereference('/home/home.jsp');
        homepage.setredirect(true);
        return homepage ;
    } 
    //Account Wrapper calss
    Public Class AccountWrapper{
    Public Account accObj{get;set;}
    Public Boolean checkBox{get;set;}
   
     Public AccountWrapper(Account accRec, boolean SelectBox){
        accObj = accRec;
        checkBox = SelectBox;
     }
   }
}

Test class

@isTest
public class MassUpdateFldSelectedTest{   
static testMethod void test(){       
account a1 = new account(name='abc test',BillingState = 'UK',Phone = '96589658',Website = 'www.abc.com');       
insert a1;

MassUpdateFldSelected massupdt = new MassUpdateFldSelected();
massupdt.updateSelectedRecords();
massupdt.deleteRecords();
massupdt.BackToHomeBtnClick();

//AccountWrapper accwr = new AccountWrapper();
}
}

Can any one pls help out it's very urgent!!!!!!!!!!!!!!!!!!!!!!!!!!!!!