please help me with the test class of this part of controller class
1412
How do I increase my code coverage, or why can't I cover these lines?
33323
Covering if-else conditions in a Testclass
67761
How to override Save method in standard controller extension?
47108
How to Write a Test Class for an InvocableMethod?
60741
Can you overload controller methods in ASP.NET MVC?
115989
function in apex controller recieves value "NULL"
117592
How to create test data for a class that checks for historical data?
47517
Test Class Apex Page Parameters
139747
How can I get the values of the parameters of a calling method?
144940
How to access form methods and controls from a class in C#?
8203
How to avoid the system.Limit.exception error in test class
95732
Use of @IsTest versus testMethod and location of test methods in classes
81883
why debug statement show Id instead of name while test class execution?
39247
Route Handlers Inside a Class
158487
Helper & Trigger Testing Assistance
108354
How to test apex classes with Pagereference?
45347
How do you know what to test when writing unit tests?