Salesforce trailhead - Asynchronous Apex Scheduling Jobs Using the Apex Scheduler

DailyLeadProcessor.cls

public class DailyLeadProcessor implements schedulable{
    
    public void execute(schedulableContext sc) {
        List<lead> l_lst_new = new List<lead>();
        List<lead> l_lst = new List<lead>([select id, leadsource from lead where leadsource = null]);
        for(lead l : l_lst) {
            l.leadsource = 'Dreamforce';
            l_lst_new.add(l);
        }
        update l_lst_new;
    }

}

DailyLeadProcessorTest

@isTest
public class DailyLeadProcessorTest {
    
    @isTest
    public static void testing() {
        
        List<lead> l_lst = new List<lead>();
        for(Integer i=0;i<200;i++) {
            lead l = new lead();
            l.lastname = 'lastname'+i;
            l.Company = 'company'+i;
            l_lst.add(l);
        }
        insert l_lst;
        
        Test.startTest();
        DailyLeadProcessor dlp = new DailyLeadProcessor ();
        String jobId = System.Schedule('dailyleadprocessing','0 0 0 1 12 ? 2016',dlp);
        Test.stopTest();
        
        List<lead> l_lst_chk = new List<lead>([select id,leadsource from lead where leadsource != 'Dreamforce']);
        System.assertequals(0,l_lst_chk.size());
    }

}

Please change 2016 line 18 to * wild card

thank you so much!
i only missed this part "List l_lst_chk = new List([select id,leadsource from lead where leadsource != 'Dreamforce']);" to have my 100% code coverage.

In daily lead processor is not complete 100% coverage of code please send me the 100% code coverage

thank you so muchhhhh :)