We can't say exactly test case length, it depending on functionality.
What is a Release candidate ?
What is a story board ?
What is a Test-Driven Development (TDD) ?
What is a Test stub ?
What is a Sprint ?
How can World Wide Web sites be tested?
What is Bug life cycle?
What is a Test Server?
What is mean by release notes?
Give an example of high priority and low severity, low priority and high severity?