forked from tinygrad/tinygrad
* simple failing jit test case with Tensor.empty
* this used to exist in ops.py...
* Revert "removed if self.buffer.is_allocated() in realized (#14836)"
This reverts commit 72cf603805.
Three groups of tests run in CI backend -- tests that run on each backend null -- tests that don't require any backend unit -- tests that only run on a single backend in CI