4 Challenges in Test Automation (and How to Solve Them)` is a text that discusses common challenges faced by QA teams when implementing an automated testing strategy. The first challenge is the lack of expertise with test automation, which can be addressed by educating QA engineers and leveraging the coding skills of developers to help them learn faster. The second challenge is the lack of infrastructure for executing tests, which can be solved by using a cloud-based testing solution instead of setting up an on-premises infrastructure. The third challenge is not knowing which test automation framework to use, as there are many options available and the decision depends on various factors such as organizational needs, tech stack, and teams. To overcome this challenge, organizations should consider their specific needs and evaluate popular frameworks like Selenium, Appium, XCUITest, Espresso, WebdriverIO, Cypress, TestCafe, Playwright, and Puppeteer. The fourth challenge is deciding which tests to automate, which requires considering factors such as test value, volume, predictability, frequency of use, and impossibility to perform manually. By evaluating these criteria, organizations can determine which tests are the best candidates for automation, ultimately improving their testing efficiency and effectiveness.