public class Batch implements Database.Batchable<sObject> {

	public Database.QueryLocator start(Database.BatchableContext bc) {
        String query = 'SELECT Id, jstcl__Consultant__r.Previous_Timesheet_Status__c FROM jstcl__TG_Timesheet__c WHERE jstcl__Placement__r.ts2__Status__c =\'Active\' AND jstcl__Placement__r.VMS__c = \'\' AND jstcl__Week_Ending__c = LAST_N_DAYS:4 AND jstcl__Status__c = \'Pending\'';
          return Database.getQueryLocator(query);
    }
   public void execute(Database.BatchableContext BC, List<jstcl__TG_Timesheet__c> timesheets){
       List<Contact> consultants = new List<Contact>();
       List<Contact> consultants2 = new List<Contact>();

       for(jstcl__TG_Timesheet__c timesheet : timesheets){
           Contact consultant = timesheet.jstcl__Consultant__r; 
           if (consultant == null) continue;
           consultant.Previous_Timesheet_Status__c = 'Pending';
           if(consultants.contains(consultant)){
               consultants2.add(consultant);
           }else{consultants.add(consultant);}
           }
           update consultants;
        }
   public void finish(Database.BatchableContext BC){}
}

@istest 
private class Test {

static TestMethod void hfTest() {
     Profile prof = [select id from profile where name='system Administrator'];
     User usr = new User(alias = 'usr', email='us.name@vmail.com',
                emailencodingkey='UTF-8', lastname='lstname',
                timezonesidkey='America/Los_Angeles',
                languagelocalekey='en_US',
                localesidkey='en_US', profileid = prof.Id,
                username='testuser128@testorg.com');
                insert usr;
    Id idRecordId = Schema.SObjectType.Contact.getRecordTypeInfosByDeveloperName().get('Candidate').getRecordTypeId();

    	ts2__Source__c source = new ts2__Source__c(Name = 'LinkedIn.com - Resume Search');
    	Account acc = new Account(Name = 'Express Scripts Holding Company');
        insert acc;
  		Account acc2 = new Account(Name = 'Candidates- 10-2018');
        insert acc2;
    	Contact con = new Contact(FirstName='fnadmes', LastName = 'lnamdes', Email = 'emadils@gmail.com', Phone = '9744800300', AccountId = acc2.Id, ts2__Source__c = source.Id, ts2__People_Status__c = 'Placed');
        Contact con2=new Contact(FirstName='fnames', LastName = 'lnames', Email = 'emails@gmail.com', Phone = '9743800300', AccountId=acc.Id, Relationship_Status__c = 'Lunch'); 
    	insert con; insert con2;
        ADP_Department__c adp = new ADP_Department__c(Name = 'Georgia');
        insert adp;
        ts2__Job__c job = new ts2__Job__c(Name = 'Software Engineer',Hiring_Manager_Contact__c = con2.Id);
        insert job;
        ts2__HolidayCalendar__c hcal = new ts2__HolidayCalendar__c(Name= 'Holiday Calendar');
        insert hcal;
        Labor_Category__c lcat = new Labor_Category__c(Name='Software Engineer 1');  
        insert lcat;
        ts2__Placement__c plc = new ts2__Placement__c(ts2__Job__c = job.Id, Contractor_Type__c = 'Technical Youth', Onboarding_Method__c= 'Staff Augmentation', ts2__Start_Date__c= Date.newInstance(2019, 1, 7), ts2__End_Date__c= Date.newInstance(2019, 2, 15),
        jstcl__HireType__c= 'W2', ADP_Department__c= adp.Id, ts2__Bill_Rate__c= 60.00, ts2__Pay_Rate__c= 30.00, jstcl__Invoice_Batch__c= 'Placement', ts2__Client__c= acc.Id, ts2__Hiring_Manager__c= con2.Id, jstcl__TimecardApprover__c= con2.Id, jstcl__HolidayCalendar__c= hcal.Id,
		State_Worked_In_Non_TFI_Placements__c= 'GA - Georgia', jstcl__Overtime_Bill_Rate__c= 60, jstcl__Burden__c= 0.20, jstcl__Accounts_Receivable_U__c= '00537000005d7F2AAI', jstcl__Terms__c= 'Net 60', ts2__Employee__c= con.Id, Labor_Category__c= lcat.Id);
		insert plc;
     	List<jstcl__TG_Timesheet__c> tsList = new List<jstcl__TG_Timesheet__c>();
    	 jstcl__TG_Timesheet__c ts = new jstcl__TG_Timesheet__c(jstcl__Consultant__c = con2.Id, jstcl__Placement__c = plc.Id, jstcl__Week_Ending__c = Date.newInstance(2019, 2, 15));
    tsList.add(ts);

	Test.startTest(); 
     Batch abcd = new Batch();
     ID batchprocessid = Database.executeBatch(abcd);
	Test.stopTest();
 }    
}