# Temporal Testing Dotnet > Testing strategies for Temporal .NET workflows and activities, emphasizing time-skipping and deterministic assertions. Use when this capability is needed. - Skill: `tomevault-io/temporal-testing-dotnet` (Agent Skill, multi-file: 2 files) - Install (CLI): `npx skillmds@latest add tomevault-io/temporal-testing-dotnet` - Raw SKILL.md: https://api.skillmd.com/api/skills/tomevault-io/temporal-testing-dotnet/raw - Safety review: pending - Works with: Claude Code, Claude.ai, OpenAI Codex - Category: Coding & Dev Tools - Author: tomevault-io (https://skillmd.com/u/tomevault-io) - Updated: 2026-09-17 - Page: https://skillmd.com/skills/tomevault-io/temporal-testing-dotnet --- # Testing Temporal .NET (Time Skipping) ## When to use Use when asked: - “how do I test this workflow?” - “my tests are slow/flaky” - “can I use WebApplicationFactory?” (answer: not for workflow unit tests) ## Required output - Test pyramid: workflow tests vs activity tests vs integration tests - Example workflow test using time-skipping (no real delays) - What to assert (behavior) vs what not to assert (implementation details) ## Guardrails - Never use real timers for workflow unit tests. - Activity tests can be normal .NET unit tests where possible. --- > Converted and distributed by [TomeVault](https://tomevault.io/claim/rebeccapowell) — claim your Tome and manage your conversions.