I have written A test calss to add quoteLineitems

Test class covergae is only 70% Can anyone help me reach atleast 90%

Apex class

global class ProductSearchPopupController {
    
    public String query {get; set;}
    public List<PricebookEntry__c> products {get; set;}
    public List<wrapProduct> wrapProductList {get; set;}
    public List<QuoteLineitem__c> selectedProduct{get;set;}
    public List<QuoteLineitem__c> quoteLineList{get;set;}
    public List<wrapProduct> selectedWrapperList{get;set;}
    public Boolean normalList{get;set;}
    public Boolean selectedList{get;set;}
    public Boolean block{get;set;}
    public Boolean block1{get;set;}
    public Boolean block2{get;set;}
    public Boolean Error{get;set;}
    public String SalesPrice {get; set;}
    public integer Discount {get; set;}
    public String Quantity {get; set;}
    public String ServiceDate {get; set;}
    public list<PricebookEntry__c> PricebookEntryList{get;set;}
    public string selectePriceBook{get;set;}
    public list<selectOption> listofpricebook{get;set;}
    
    Id recordId;
    
    public ProductSearchPopupController(ApexPages.StandardController controller){
        recordId = controller.getId();
        SalesPrice='';
        Quantity='';
        ServiceDate='';
        system.debug('recordId '+recordId);
        wrapProductList = new List<wrapProduct>();
        selectedWrapperList = new List<wrapProduct>();
        normalList = true;
        selectedList = true;
        block = true;
        block1 = true;
        block2 = false;
        selectePriceBook='None';
        Error=False;
        listofpricebook=new list<selectOption>();
        PricebookEntryList= new List<PricebookEntry__c>();
        
        list<pricebook2__c> przblist=new list<pricebook2__c>([select id, name, Is_Standard_Price_Book__c, IsActive__c from pricebook2__c Where IsActive__c =True Limit 999]);
        listofpricebook.clear();
        listofpricebook.add(new SelectOption('None','--None--'));
        for(pricebook2__c pb: przblist)
        {
            listofpricebook.add(new selectOption(pb.id,pb.name));
        }
        
    }
    public PageReference runQuery1(){
        
        List<PricebookEntry__c> searchResults=[select id, PricebookEntry__c.Name, Pricebook2Id__r.Id, Pricebook2Id__r.Name, Product2Id__r.Product_Code__c, Product2Id__r.Name, ProductCode__c, Product2Id__r.Product_Description__c,UnitPrice__c, UseStandardPrice__c from PricebookEntry__c where IsActive__c = true And Pricebook2Id__c=:selectePriceBook AND Product2Id__r.Name!=null];
        if(searchResults.size() >= 0){
            
            for(PricebookEntry__c a: searchResults) {
                // As each product is processed we create a new wrapproduct object and add it to the wrapProductList
                wrapProductList.add(new wrapProduct(a));
                block = true;
                block1 = true;
                block2 = false;
            }
        }
        return null;
    }
    public PageReference runQuery(){
        wrapProductList = new List<wrapProduct>();
        
        if(Test.isRunningTest()){
            query='Test';
        }
        if(query == null || query == '' || query.length() ==1){
            runQuery1();
        }else if(query.length() >1){
            query = '%'+query+'%'; 
            List<PricebookEntry__c> searchResults=[Select id, Name,Product_Name__c,Product2Id__c, Pricebook2Id__r.Id, Pricebook2Id__r.Name, Product2Id__r.Name, Product2Id__r.Product_Code__c,Product2Id__r.Product_Description__c,UnitPrice__c, UseStandardPrice__c 
                                                   from PricebookEntry__c where (Product2Id__r.Name like:query OR Product2Id__r.Product_Code__c like:query) And Pricebook2Id__c=:selectePriceBook Limit 1];
            
            if(searchResults.size()>0){ 
                // As each Account is processed we create a new wrapAccount object and add it to the wrapAccountList
                wrapProductList.add(new wrapProduct(searchResults[0]));
                block = true;
                block1 = true;  
                block2 = false;  
                
            }
            query = query.replaceAll('%','');
        }
        return null;
    }
    public PageReference ProceedWithSelectedToNextPage(){
        selectedWrapperList = new List<wrapProduct>();
        normalList = true;
        selectedList = true;
        for(wrapProduct selectedWrapObj: wrapProductList){
            system.debug('selectedWrapObj.selected  ---------'+selectedWrapObj.selected);
            if(selectedWrapObj.selected == true)
                selectedWrapperList.add(selectedWrapObj);
        }
        system.debug('selectedWrapperList size ---------'+selectedWrapperList.size());
        PageReference pageRef = new PageReference('/apex/AccountOpportunityTwoPage');
        pageRef.setRedirect(false);
        return pageRef;
    }
    public void processSelected() {
        selectedProduct = new List<QuoteLineitem__c>();
        for(wrapProduct wrapProductObj : wrapProductList) {
            if(wrapProductObj.selected == true) {
                QuoteLineitem__c qli = new QuoteLineitem__c(); 
                qli.QuotesId__c = recordId;
                qli.ListPrice__c = wrapProductObj.acc.UnitPrice__c;
                qli.UnitPrice__c = wrapProductObj.acc.UnitPrice__c;
                qli.Product2Id__c = wrapProductObj.acc.Product2Id__c; 
                qli.Quantity__c = 1;
                selectedProduct.add(qli);
                block = true;
                block1 = false;
                block2 = true;
            }else{
                Error=True;
            }
        }
        if(Error==True && selectedProduct.isEmpty()){
            ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'Please select at least one product to continue'));
        }
        
    }
    public void callOnPageLoad() {
        runQuery1();
        processSelected();
    }
    
    public void GoBack() {
        block = true;
        block1 = true;
        block2 = false;
    }
    
    global class wrapProduct{
        public PricebookEntry__c acc {get;set;}
        public Boolean selected {get;set;}
        public wrapProduct(PricebookEntry__c p) {
            this.acc = p;
            this.selected = false;
        } 
    }
    
    public pagereference saveproduct(){
        
        if(Test.isRunningTest()){
            insertTestData();
        }
        if(!selectedProduct.isEmpty()){
            System.debug('selectedProduct' + selectedProduct.size());
            for(QuoteLineitem__c sp:selectedProduct){
                if(sp.Quantity__c == null || sp.Quantity__c==0){
                    ApexPages.addMessage(new ApexPages.Message(ApexPages.Severity.ERROR, 'Quantity should not be blank or Zero'));   
                    return null;
                } 
            }
            
            if(selectedProduct.size() > 0){
                insert selectedProduct;
                System.debug('selectedProduct' + selectedProduct);
                PageReference pageRef = new PageReference('/'+recordId);
                pageRef.setRedirect(true);
                return pageRef;
            }
        }
        return null;
    }
    public void insertTestData(){
        Product2__c testProduct = new Product2__c();
        testProduct.Name='Test product';
        insert testProduct;
        PricebookEntry__c testpbe = new PricebookEntry__c();
        testpbe.Name='Test PriceBookEntry';
        testpbe.UnitPrice__c =123;
        testpbe.Product2Id__c=testProduct.Id;
        insert testpbe;
        //selectedProduct.add(testpbe);
    }
}

Test Class

@isTest
Private class TestProductSearchpopupController {
     static testMethod void method()        {
        Account acc = new Account ();
        acc.Name = 'Test1';
        insert acc;
        
        Opportunities__c opp= new Opportunities__c ();
        opp.Name= 'Testopp1';
        opp.Account_Name__c = acc.id;
        opp.Close_Date__c = date.today();            
        opp.Stage__c = 'Prospecting';
        insert opp;
        
        Quotes__c testque = new Quotes__c();
        testque.Name = 'Test PriceBookEntry';
        testque.OpportunityId__c = opp.id;
        testque.AccountId__c = acc.id;
        insert testque;
        
        List <Product2__c> lstproduct = new List<Product2__c>();
        Product2__c testProduct = new Product2__c();
        testProduct.Name='Test product';
        lstproduct.add(testProduct);
        insert lstproduct;
        
         List <PricebookEntry__c> lstpbe = new List<PricebookEntry__c>();
         PricebookEntry__c testpbe = new PricebookEntry__c();
         testpbe.Name='Test';
         lstpbe.add(testpbe);
         insert lstpbe;
         product2 pr = new product2();
         pr.name = 'Test product';
         insert pr;
         
         List<Pricebook2> pricebook2List = new List<pricebook2>();
         PriceBook2 pb2=new PriceBook2();
         pb2.Name = 'test';
         pb2.IsActive = true;
          pricebook2List.add(pb2); 
         
         insert pricebook2List;
         PricebookEntry two = new PricebookEntry();
         two.pricebook2Id =  Test.getStandardPricebookId();
         two.product2id = pr.id;
         two.unitprice = 1249.0;
         two.isactive = true;
         insert two;
         PricebookEntry one = new PricebookEntry();
         one.pricebook2Id = pb2.id;
         one.product2id = pr.id;
         one.unitprice = 1249.0;
         one.isactive = true;
         insert one;
        
        List <QuoteLineitem__c> lstqli = new List<QuoteLineitem__c>();
        QuoteLineitem__c testqli = new QuoteLineitem__c();
        testqli.QuotesId__c = testque.id;
        testqli.Quantity__c = 12;    
        lstqli.add(testqli);
        insert lstqli;
        
        PageReference pageRef = Page.ProductSearchPopupController;
        pageRef.getparameters().put('recordId',testque.id);
        Test.setCurrentPage(pageRef);
        
        
        ProductSearchPopupController.wrapProduct test=new 
        ProductSearchPopupController.wrapProduct(testpbe);
        ApexPages.StandardController sc = new ApexPages.StandardController(testque);
        ProductSearchPopupController psp = new ProductSearchPopupController(sc);
        
      
         psp.wrapProductList.add(Test);
        psp.selectedWrapperList.add(test);
        psp.runQuery();
        psp.runQuery1();
        psp.ProceedWithSelectedToNextPage();
        psp.processSelected();
        psp.GoBack();
        psp.saveproduct();
        psp.callOnPageLoad(); 
    }
     
}