Test Suite
A collection of related test cases grouped together to test a specific feature, module, or aspect of an application.
Test suites organize test cases into logical groups for efficient execution and reporting. A project might have suites for authentication, checkout, search, admin functionality, and so on. Suites can also be organized by type (smoke, regression, full) or by priority (critical path, extended). Most test management and automation tools support hierarchical suite organization and selective execution.
Why It Matters for QA Teams
Organizing tests into suites lets QA teams run targeted subsets based on what changed, reducing feedback time without sacrificing coverage where it counts.
Example
The 'Checkout Suite' contains 35 test cases covering: adding items to cart, applying promo codes, selecting shipping methods, entering payment details, handling declined cards, and verifying order confirmation emails. The team runs this suite in full before any release that touches checkout code.