Describe the relationship between testing and quality assurance and give examples of how testing contributes to higher quality

Quality assurance and testing are not the same thing, but they are interrelated.

Quality management includes quality assurance and quality control.

Quality assurance is usually focused on precisely following the processes to ensure that the required level of quality is achieved.

If the processes are executed properly, then the work products created in these processes are mostly of higher quality.

Root cause analysis to identify and eliminate the causes of defects, together with the correct use of the results of retrospective meetings to improve processes, allows you to improve the quality of the product.

Testing is one of the activities of the quality control to ensure the required level of quality of the product.

Since quality assurance is focused on precisely following the processes, it therefore contributes to the proper testing.