xUnit3 migration - Complete with IDataAttribute interface pattern (5,939+ tests passing)#18950

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Copilot wants to merge 62 commits intomainfrom

copilot/fix-70fb3ceb-020a-4b9d-8060-269d2c188324

Commits on Oct 1, 2025

Initial plan
Copilot
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Update package versions and central props for xUnit3 migration

Copilot
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T-Gro
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Remove UnitTestType and IsTestProject properties, update xunit.runner.json files

Copilot
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T-Gro
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Update xunit.runner.json files to xUnit3 schema (backward compatible)

Copilot
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T-Gro
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Add test infrastructure documentation to TESTGUIDE.md

Copilot
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T-Gro
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Add nuget.org source, update to xUnit3 packages, begin API migration

Copilot
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T-Gro
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Document xUnit3 API migration requirements and create detailed guide

Copilot
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T-Gro
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Investigate xUnit3 API availability - DataAttribute confirmed present

Copilot
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T-Gro
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Commits on Oct 2, 2025

Commits on Oct 3, 2025

Commits on Oct 6, 2025

Commits on Nov 28, 2025

Commits on Nov 30, 2025

Commits on Dec 1, 2025

Fix EndToEndBuildTests: add xUnit3 version properties to Directory.Build.props

Copilot
and
T-Gro
committed

Commits on Dec 3, 2025

Merge branch 'main' into copilot/fix-70fb3ceb-020a-4b9d-8060-269d2c188324
abonie
authored

Commits on Dec 4, 2025

Change backgroundTask to async
abonie
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Commits on Dec 5, 2025

Commits on Dec 8, 2025

Use .trx for test results
abonie
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Commits on Dec 10, 2025

Commits on Dec 12, 2025

Finish migration to MTP
abonie
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Commits on Dec 16, 2025

Commits on Dec 17, 2025

Change to xunit query syntax
abonie
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Commits on Dec 18, 2025

Migrate tests except FSharp.Editor.IntegrationTests
abonie
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