[parent] Test Filtering, Sharding, and Batching Improvements #8610

This parent issue tracks all work related to test filtering, batching, sharding, and filter extensibility in Microsoft.Testing.Platform. This includes improving the filtering API, adding new filter types, and enhancing the overall test selection experience.

Related Issues

This parent encompasses the following specific issues:

• When running with --test-modules and --filter, allow "zero tests ran" behavior to apply to entire run vs individual modules #7457: When running with --test-modules and --filter, allow "zero tests ran" behavior to apply to entire run vs individual modules
• --treenode-filter pattern matching is at least non obvious, potentially errored #7300: --treenode-filter pattern matching is at least non obvious, potentially errored
• Better filtering story for MTP #7160: Better filtering story for MTP
• --treenode-filter is not documented in dotnet/docs #5001: --treenode-filter is not documented in dotnet/docs
• AddTreeNodeFilterService is not called by MSTest #4293: AddTreeNodeFilterService is not called by MSTest
• Support tests sharding in dotnet test #4068: Support tests sharding in dotnet test
• [Testing Platform] Open up filters for custom implementations #3590: [Testing Platform] Open up filters for custom implementations
• [Testing Platform] Aggregate Filter #3530: [Testing Platform] Aggregate Filter
• [Testing Platform] Batch Filter #3528: [Testing Platform] Batch Filter

All of these issues relate to how tests are selected, filtered, and distributed for execution.

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• expires on May 28, 2026, 2:59 PM UTC