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migrate-mstest-v3-to-v4

Migrate MSTest v3 projects to MSTest v4 with package and API updates.

2|Updated Mar 17, 2026
Search Tags:#testing#csharp#migration#dotnet#upgrade#mstest
One-click install
npx skills add https://github.com/sayedihashimi/copilot-skill-eval --skill migrate-mstest-v3-to-v4-sayedihashimi
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: migrate-mstest-v3-to-v4
Source: https://github.com/sayedihashimi/copilot-skill-eval/tree/main/examples/aspnet-razor-pages/plugins/dotnet-skills/dotnet-test/skills/migrate-mstest-v3-to-v4
Command: npx skills add https://github.com/sayedihashimi/copilot-skill-eval --skill migrate-mstest-v3-to-v4-sayedihashimi

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Migrate MSTest v3 projects to MSTest v4 by addressing breaking changes, compatibility and lifecycle adjustments to ensure builds and tests run successfully.

Core Features & Use Cases

  • Package upgrades: Update MSTest packages to v4 and align framework targets.
  • API migrations: Adjust Execute -> ExecuteAsync, update TestMethodAttribute usage, and adapt TestContext APIs.
  • Validation & verification: Ensure projects compile, tests run, and results align with expectations across common scenarios.

Quick Start

Run the migration tool to upgrade your MSTest v3 projects to MSTest v4 and adjust code and targets accordingly.

Frequently Asked Questions about migrate-mstest-v3-to-v4

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I migrate MSTest v3 to v4 in .NET?▼

Migrate MSTest v3 to v4 by updating MSTest packages and applying API changes like Execute to ExecuteAsync, TestContext property adjustments, and Assert API updates, followed by a clean build and test verification for .NET 8.0+ projects.

What are the breaking changes when upgrading MSTest to v4?▼

Breaking changes when upgrading MSTest to v4 include the Execute to ExecuteAsync API migration, DisplayName usage adjustments, TestContext property access modifications, and various Assert API updates requiring source code changes.

Can I upgrade MSTest v3 to v4 on .NET 8.0+ projects?▼

Yes, you can upgrade MSTest v3 to v4 on .NET 8.0+ projects by aligning framework targets, updating package references to v4, and modifying source code to handle test lifecycle changes and API migrations.

How do I fix TestContext property access errors after an MSTest v4 migration?▼

Fix TestContext property access errors after an MSTest v4 migration by adapting TestContext APIs and updating TestMethodAttribute usage according to the v4 migration table, ensuring test lifecycle changes compile successfully.

What is the best way to verify an MSTest v4 upgrade is successful?▼

Verify an MSTest v4 upgrade by performing a clean build followed by running all tests, ensuring package upgrades, API migrations, and test lifecycle changes align with expected results across common scenarios.

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