How we plan to cover the product so as to develop an adequate assessment of quality.
A good test strategy is:
The purpose of a test strategy is to clarify the major tasks and challenges of the test project.
Test Approach and Test Architecture are other terms commonly used to describe what Iím calling test strategy.
Example of a poorly stated (and probably poorly conceived) test strategy:
"We will use black box testing, cause-effect graphing, boundary testing,
and white box testing to test this product against its specification."