Mozilla browser front-end software requirements and test scripts dataset

This dataset is compiled from various software tests written by the Mozilla Front-End QA team for the areas of the Mozilla browser with which users directly interact.
R-set file is composed of 184 software requirements with RequirementID (R-XYZ) and RequirementContent columns.
T-set file contains the corresponding test scripts with TestCaseID (TC-XYZ) and TestCaseContent columns, e.g., TC-XYZ to R-XYZ. Each test case content includes the following information: Initial Conditions (if any), Steps/Description, Expected Results.
This dataset can be used for any software requirement and test case coverage/traceability studies.

Link to raw data source: https://www-archive.mozilla.org/quality/browser/front-end/