Testing is a procedure that enables the picking out of defects in the software program. It includes the execution of tests, checking the results, and making adjustments to repair the defects found. Test automation is a key component and it enables automating repetitive duties so testers can cognizant of extra tough duties and makes sure all factors of the utility are examined thoroughly. Testing includes checking for software program mistakes or bugs, whether or not finished manually or via computerized trying out gear which includes Selenium WebDriver and Appium. This is finished via way of means of executing the software with a sequence of taking a look at instances that might be designed to find software program bugs. Testing has many purposes, which include: - Assuring the first-rate software program earlier than it is going into production - Identifying and resolving troubles earlier than they emerge as issues or costly - Meeting cut-off dates and financial constraints.