Hi, 

I am trying to increase my code coverage from 85% to 100%. The only section that is in red from the test result is the pagereference section. Here is my code:

public class exNewFeedback {

    public Case requests {get; set;}
    public String details {get; set;}
    public String fbFrom {get; set;}
    public String fbSource {get; set;}
    Feedback__c feedback;
    
    public exNewFeedback(ApexPages.StandardController controller) {
        requests = (Case)controller.getRecord();
    }
    
    public PageReference createRequest(){
        Feedback__c compliment = new Feedback__c();
        compliment.Member__c = requests.Contact.Account.Id;
        compliment.Request__c = requests.ID;
        compliment.Supplier__c = requests.Supplier__c;
        compliment.Escalated_to_Complaint__c = 'No';
        compliment.Relevant_office__c = requests.User_Owner_Office__c;
        compliment.Details__c = details;
        compliment.Feedback_From__c = fbFrom;
        compliment.Feedback_Source__c=fbSource;
        insert compliment;
     
        PageReference fbPage = new ApexPages.StandardController(compliment).view();
        fbPage.setRedirect(true);
        return fbPage;
    }
    
    static testMethod void testNewFeedback(){
           Account member = new Account(Name = 'Test User');
           insert member;
           LIST<Account> memberlist = [SELECT ID FROM Account LIMIT 1];
           System.assertEquals(1, memberlist.size());
           Supplier__c supplier = new Supplier__c(Name = 'Test Supplier', Status__c = 'Info Only', Category__c = 'Beauty', Type__c = 'Nails');
           insert supplier;
           LIST<Supplier__c> supplierlist = [SELECT ID FROM Supplier__c LIMIT 1];
           System.assertEquals(1, supplierlist.size());
           Case request = new Case(Origin = 'Email', Status = 'Open', Supplier__c = supplierlist[0].ID);
           insert request;
           LIST<Case> requestlist = [SELECT ID FROM Case LIMIT 1];
           System.assertEquals(1, requestlist.size());
           Apexpages.Standardcontroller stdCon = new apexpages.Standardcontroller(request);
           exNewFeedback exFB = new exNewFeedback (stdCon);
           exFB.createRequest();   
    }
}

Please help. Thank you.