hello please help me to create test class

public class AutoConvertLeads {
  @InvocableMethod
    public static void assignLeads(List<Id> LeadIds){
        LeadStatus cLeadStatus=[Select Id,MasterLabel from LeadStatus where isConverted=true limit 1];
        List<Database.LeadConvert> massLeadConvert=new List<Database.LeadConvert>();
        for(Id currentLead:LeadIds){
            Database.LeadConvert LeadConvert=new Database.LeadConvert();
            LeadConvert.setLeadId(currentLead);
            LeadConvert.setConvertedStatus(cLeadStatus.MasterLabel);
            LeadConvert.setDoNotCreateOpportunity(true);
            massLeadConvert.add(LeadConvert);
        }
        if(!massLeadConvert.isEmpty()){
            List<Database.LeadConvertResult> lcr=Database.convertLead(massLeadConvert);
        }
    }
}