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Migrate MSTest from version 3 to version 4 v1.0.0

Use this resource to migrate MSTest 3.x tests to MSTest 4.x and fix errors after the upgrade

New

  • 427 downloads
  • 154 likes
  • 184 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install mstest-v3-to-v4-migration

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent classifies the request, updates the packages to MSTest v4, fixes source breaks such as ExecuteAsync or CallerInfo, then handles behavior changes. MSTest v4 is not binary compatible with version 3.

Mostly picked by

Updated November 2, 2026

Card for the “Migrate MSTest from version 3 to version 4” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: assessment, package update and decisions
  • SKILL.md: source and behavior breaking changes

Good fit for

  • After the upgrade the build reports CS0507 or CS1061
  • Test discovery fails after a clean build

Not for

    Tags

    • mstest
    • migration
    • v4
    • tests

    About

    You say

    “Move this project from MSTest 3 to MSTest 4 and fix the compilation errors.”

    Card for the “Migrate MSTest from version 3 to version 4” skill

    Skill published by dotnet under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to migrate MSTest 3.x tests to MSTest 4.x and fix errors after the upgrade
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md28.2 KB

    Origin and licence

    Listed unmodified

    Author
    dotnet
    Source
    github.com/dotnet/skills/tree/586f13f8d898a60583a3364f146a3b6f5a763164/plugins/dotnet-test-migration/skills/migrate-mstest-v3-to-v4
    Licence
    MIT

    Notice

    « migrate-mstest-v3-to-v4 » (dotnet, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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