What is automation testing, and why is it important? Explain the advantages and disadvantages of automated testing. What are the popular automation testing frameworks in C#? What is Selenium WebDriver, and how does it work in C#? What is the Page Object Model (POM), and why is it useful in Selenium automation with C#? How do you handle dynamic elements on a web page using Selenium in C#? What are data-driven tests, and how can you implement them in C# with Selenium? Explain the difference between NUnit and MSTest as testing frameworks in C#. How can you handle exceptions and errors in automation testing with C#?