161. In Node.js testing, what is a mock object used for?
Answer:To simulate the behavior of a real object for testing purposes
162. What is the purpose of end-to-end (E2E) testing in Node.js?
Answer:To ensure that the entire application functions correctly as a whole, including interactions between components
163. Which Node.js testing library is commonly used for E2E testing of web applications?
164. What is a "fixture" in Node.js testing?
Answer:A function or data setup that provides a known initial state for testing.
165. In Node.js testing, what is a code coverage report used for?
Answer:To track which lines of code were executed during testing and identify untested code paths
166. What is the primary goal of debugging in Node.js development?
Answer:To identify and fix defects or issues in the code
167. Which built-in debugging tool is available in Node.js for inspecting code execution and troubleshooting?
168. In Node.js, what command is commonly used to launch a script in debug mode from the command line?
169. What is the purpose of breakpoints in a Node.js debugger?
Answer:To pause code execution at a specific line or statement for inspection
170. Which command is used to continue code execution after reaching a breakpoint in a Node.js debugger?
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