### Q1: What is the primary focus of unit testing in the software development lifecycle?  
### Q2: How can integration testing impact the functionality of a fintech application that interacts with external APIs?  
### Q3: What are the key considerations to ensure successful acceptance testing of new features in a financial application?  
### Q4: What are some benefits of using automated frameworks like JUnit or NUnit for unit testing?  
### Q5: How does integration testing help mitigate risks associated with data communication errors between components in a financial application?  
### Q6: In what ways can acceptance testing align a software product with business goals and user needs in the finance sector?  
### Q7: What challenges might developers face when conducting system testing of a complete software application?  
### Q8: How can a lack of thorough integration testing lead to critical issues in user experience for a financial service application?  
### Q9: What strategies can be employed to effectively communicate testing results to stakeholders during the acceptance testing phase?