Hi am not able to cover test calss can please any one help me where am missing thanks for your help

Trigger.

trigger updatingadressdummy on KYC__c (after insert,after update) {

    // for billing 1
    set<id>kycidb1=new set<id>();//set for kyc
        set<id>kycids1=new set<id>();//set for kyc
    set<id>kycidb1c1=new set<id>();//set for contact
    list<kyc__c>kyclist=new list<kyc__c>();//1st list for kyc
    list<kyc__c>kyclist1=new list<kyc__c>();//2nd list for kyc
    list<account>acc=new list<account>(); //list for account
    list<contact>contactb1=new list<contact>();//list for contact
    list<kyc__c>kyclistcb1=new list<kyc__c>();//1st list for contact in kyc
    list<kyc__c>kyclistc1b1=new list<kyc__c>();// 2 nd list for  contact  inkyc
   
  if (!supporttoaccountupdatetrigger.hasAlreadyCreatedFollowUpTasks())
   {
   
   
        for(kyc__c k:trigger.new)
        {
            if(k.Billing_Address_1__c!=NULL)
           {
            kycidb1.add(k.Billing_Address_1__r.id);
            }
             if(k.Shipping_Address1__c!=NULL)
            kycids1.add(k.Shipping_Address1__c);
           
            if(k.Contact_Person_b1__c!=NULL)
            {
            kycidb1c1.add(k.Contact_Person_b1__r.id);
            }
           
         
        }
       
       
        // for billing 1 kyc
        kyclist=[select id,Billing_Street1__c,Billing_City_1__c,Billing_Country_1__c,Billing_State_Province1__c,Billing_Zip_Postal_Code1__c,Billing_Telephone_number1__c,Billing_Fax_number1__c from kyc__c where Billing_Address_1__c=:kycidb1];
       
        //for billing 1 conatact 1
       kyclistcb1=[select id,Contact_Person_Name_b1__c,Mobile_b1__c from kyc__c where Contact_Person_b1__r.id=:kycidb1c1];
       
        //contact for billing1
        contactb1=[select id,firstname,lastname,mobilephone from contact where id=:kycidb1c1];
       
         //account for billing 1                                                                  
        acc=[Select Id, BillingStreet,BillingState,Billingcity,BillingCountry,BillingPostalCode,Billing_Telephone_number__c,Billing_Fax_number__c,
                    ShippingStreet,ShippingCity,ShippingState,ShippingPostalCode,ShippingCountry,Shipping_Telephone_number__c,Shipping_Fax_number__c from Account where ID=:kycidb1] ; 
     
       
     
       
      //     billing 1  account
       
        for(kyc__c ky:kyclist)
        {
            for(account a:acc)
            {
                ky.Billing_Street1__c=a.BillingStreet;
                ky.Billing_City_1__c=a.billingcity;
                ky.Billing_Country_1__c=a.BillingCountry;
                ky.Billing_Zip_Postal_Code1__c=a.BillingPostalCode;
                ky.Billing_State_Province1__c=a.BillingState;
                ky.Billing_Telephone_number1__c=a.Billing_Telephone_number__c;
                //ky.Billing_Fax_number1__c=a.Billing_Fax_number__c;
               
                kyclist1.add(ky);
              
            }
        }    
       
        supporttoaccountupdatetrigger.setAlreadyCreatedFollowUpTasks();
               update kyclist1;
              
              
              
          //   for billing one in cantact  
              
         for(kyc__c kyc1:kyclistcb1)
         {
            for(contact c1:contactb1)
            {
                kyc1.Contact_Person_Name_b1__c=c1.firstname + ' ' +c1.lastname;
                kyc1.Mobile_b1__c=c1.MobilePhone;
               
                kyclistc1b1.add(kyc1);
              
            }
        }    
       
        supporttoaccountupdatetrigger.setAlreadyCreatedFollowUpTasks();
               update kyclistc1b1;
              
              
                                                                                                                               
}                                                                         

}


test class

:

@isTest
private class testupdatingadressdummy
{
 
 
  static testMethod void teSupdatingadress()
  {


        account a=new account(name='test',Region__c='East',BillingStreet='test',BillingState='assam',Billingcity='kolkata',BillingCountry='india',BillingPostalCode='1234',Billing_Telephone_number__c='9000853067',
                    ShippingStreet='parnapalli',ShippingCity='hyderabad',ShippingState='karnataka',ShippingPostalCode='12345',ShippingCountry='india',Shipping_Telephone_number__c='1234567890');
        insert a;
       
        Master_Product__c mp=new Master_Product__c(name='test name',Product_Code__c='c2');
        insert mp;
       
        contact c=new contact(firstname='Meenakshmi',lastname='Goswami',Designation__c='Developer',Accountid=a.id,mobilephone='900867657');
        insert c;

        Opportunity2__c op=new Opportunity2__c(Name='test1',Account__c=a.id,Master_Product__c=mp.id,Technical_Bid_date__c=date.Today(),Type_of_Business__c='Regular',Contact_Person__c=c.id);
        insert op;
    
        Opportunity_Product_Detail__c opd=new Opportunity_Product_Detail__c(Opportunity__c=op.id,Company__c=a.id,Quantity__c=1000,Height__c=12,Label_Height__c=12,Hologram_Height__c=14,Holographic_Film_Height__c=15,Multimax_Seal_Height__c=16,Sleeve_Height__c=90,Foil_Stamping_Height__c=17,Width__c=22,Label_Width__c=23,Foil_Width_for_Supplies__c=24,Hologram_Width__c=25,Holographic_Film_Width__c=27,Holographic_Strip_Width__c=28,Sleeve_Layflat_Width__c=29,Sleeve_Width__c=30,Foil_Stamping_Width__c=31,Make__c='ACR',Model__c='GT800');
        insert opd;
       
        Quote__c qt=new Quote__c(Opportunity_Product_Detail__c=opd.id,Purpose_of_Sales__c='SEZ',Basic_Price_Each_item__c=23,Declaration_form_be_provided__c='No',TTR_Height__c=13,TTR_Width__c=12);
        insert qt;
       
        Purchase_Order__c sco=new Purchase_Order__c(Quote__c=qt.id,Opportunity__c=op.id,New_Flash_Aidc_Email_sent__c='venky@globalnest.com');
        insert sco;
                               
       Kyc__c kc=new kyc__c();
        kc.Sale_Confirmation_Order__c=sco.id;
        kc.Contact_Person_b1__c=c.id;
        kc.Contact_Person_Name_b1__c='Meenakshmi Goswami';
        kc.Mobile_b1__c='900867657';
        kc.Email__c='abc@gmail.com';
        kc.Opportunity__c=op.id;
        kc.Billing_Street1__c='test';
        kc.Billing_City_1__c='kolkata';
        kc.Billing_Country_1__c='india';
        kc.Billing_State_Province1__c='assam';
        kc.Billing_Zip_Postal_Code1__c='1234';
        kc.Billing_Telephone_number1__c='9000853067';
      
       kc.Billing_Address_1__c=a.id;
        kc.Contact_Person_b1__c=c.id;
        kc.Shipping_Address1__c=a.id;
        kc.Billing_Address_3__c=a.id;
               insert kc;
    
                      }
        }