apex :-

    @RestResource(urlMapping='/IntershopRelatedAccounts/*')
    global class IntershopInboundRestTofetchContacts {
    @HttpGet
     global static void fetchRelatedAccountswithContacts(){
    Id potentialrecordtype =e().get('Existing SAP Account').getRecordTypeId(); Schema.SObjectType.Account.getRecordTypeInfosByName().get('Potential Account').getRecordTypeId();
       Id existingSAPrecordtype = Schema.SObjectType.Account.getRecordTypeInfosByNam
     Boolean flag1;
     Boolean flag2;
     Boolean flag3;
     Boolean flag4;
            Map<string,string> countrymap = new Map<string,string>();
         Map<string,string> inactivecountrymap = new Map<string,string>();

            List<contact> inactivecontacts = new List<Contact>();
              set<Id> accidsforActiveContacts = new Set<Id>();
              set<Id> accidsforInActiveContacts = new Set<Id>();
    // searching  for active contacts
               for(Contact c: [ Select Id, Name, Email,AccountId,Current_Employee__c,Ecommerce_User__c,MailingCountry  from Contact where Email=:emailstr AND Current_Employee__c=:true AND Ecommerce_User__c=:false ]){
                accidsforActiveContacts.add(c.AccountId);
                if(c.MailingCountry!=null)   {
               countrymap.put(c.MailingCountry, c.MailingCountry);
                   }
               }
         }

Test class code coverage:---

    @isTest
    public class Test_IntershopInboundRest {
        public static testMethod void Test_1(){


            RestRequest req = new RestRequest();
            RestResponse res = new RestResponse();

        // pass the req and resp objects to the method
        req.requestURI = 'https://danaherlbs--test.cs86.my.salesforce.com/services/apexrest/IntershopRelatedAccounts?Email=vineet@gmail.com';
        req.httpMethod = 'GET';
        req.addHeader('Content-Type', 'application/json');
              RestContext.request = req;
              RestContext.response = res;
            string emailstr = req.params.get('Email');
           List<string> sendto = new List<string>();
            Account a= new Account();
            a.name='account';
            a.SAP_Account_Number__c='569';
            a.Inactive__c=false;
            insert a;
        contact c= new contact();
            c.LastName='james';
            c.AccountId=a.Id;
            c.MailingCountry ='India';
            c.Current_Employee__c=true;
            c.Ecommerce_User__c=false;
            c.Email='james@gmail.com';
               insert c;
         List<Contact> conlst=[select id ,Email from contact where Email=:emailstr];

            if(conlst.size()>1){

               Email_Notify__c emailnotify = new Email_Notify__c();
            emailnotify.Name='InboundEmailId';
            emailnotify.EmailId__c='james@gmail.com';
            insert emailnotify;
           Email_Notify__c emailcustset=[select Id, EmailId__c from Email_Notify__c where Id=:emailnotify.Id];
            system.debug('11111'+emailcustset.EmailId__c);


                  IntershopInboundRestTofetchContacts.fetchRelatedAccountswithContacts();




            }

hi all, the code is not getting covered ,please help.