Read the case study and answer ALL the questions that follow:

Software engineering is a complex process by nature, whether the software size is small or big, whether built by few or many. This complexity is mitigated by the skills of the team members, who need to master, besides communication and team$-$work, the technical aspects and the tools to develop, test, deploy and maintain software systems. In the context of global software development, it is even more relevant to reveal the industrial demand for software testing skills, because software testing plays an essential role in development and, moreover, global software testing has witnessed an increased adoption over the years. Additionally, distributed software development affects the quality of the delivered software. Team members in distributed projects, whether developers or testers, are asked to master a large specter of technical skills. Moreover, as they tend to be agile, these teams need to have all the expertise necessary for every phase of developing software. Additionally, there is a lack of studies regarding skills and tools for software testing, and quality in distributed software development. Skilled individuals are needed to implement the development and testing of software. Just as with development, both soft and hard skills are necessary to perform software testing, a process which involves the coordination of different roles, skills, and expertise.

QUESTION $3$

Critically discuss five testing challenges experienced in Agile and include ways to overcome these challenges.