Me: Summarize this PDF file.
PDFgear: Summary: The PDF outlines two types of software testing: Unit Testing and Integration Testing. Unit Testing focuses on ensuring that individual components or modules function correctly in isolation. In contrast, Integration Testing involves testing the combined units or modules to verify that they work together as expected.

Example questions the user can ask about the file:
1. What is Unit Testing?
2. What does Integration Testing involve?
3. How do Unit Testing and Integration Testing differ?