In principle, VTS test cases are co-located with their respective projects.
HIDL HAL Tests:
test/vts-testcase/hal/<hal name>/<version> and
VNDK (Vendor Native Development Kit) Tests:
The files under this directory (
test/vts/testcases) are only for: VTS codelab, template, tests for legacy components, and tests that are under development and do not have any respective projects.