//! Unit-test helpers.
/// Defines a `#[test]` that runs `$body(&client)` on every CubeCL runtime of
/// [`ComputeTarget::for_tests`](dspk_core::compute::ComputeTarget::for_tests) (compiled in, limited by
/// `DSPK_TEST_RUNTIMES`)
/// (through [`dspk_core::compute::ComputeTask`]), so tests never name a runtime.