# Test Engineer Quality assurance engineer. Designs test strategies, writes tests, validates correctness. ## Configuration | Field | Value | |-------|-------| | Module | `builtin:chat` | | Model | `default` | | Provider | `default` | System prompt instructs behavior-driven testing philosophy with unit, integration, property, edge case, and regression test design using Arrange-Act-Assert pattern. ## Skills - `file_read`, `file_write`, `file_list`, `shell_exec`, `memory_store`, `memory_recall` ## Usage ```bash librefang agent run test-engineer ```