The helix CI job builds tests/helix/send-to-helix-ci.proj, which in turns builds the Test target on tests/helix/send-to-helix-inner.proj. This inner project uses the Helix SDK to construct @(HelixWorkItem)s, and send them to helix to run.

• tests/helix/send-to-helix-basictests.targets - this prepares all the tests that don't need special preparation
• tests/helix/send-to-helix-endtoend-tests.targets - this is for tests that require a sdk+workload installed

1. .\build.cmd -pack
2. dotnet build tests\workloads.proj

.. which results in artifacts\bin\dotnet-tests which has a sdk (version from global.json) with the aspire workload installed using packs from artifacts/packages.