Generator of tensor inputs with variable layout and structure (batch/non-batch, hybrid/non-hybrid, block/non-block) (#88914)
This PR introduces `TestCase.generate_simple_inputs` method that is an improved and generalized version of the `TestSparseCompressed._generate_small_inputs` method.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/88914
Approved by: https://github.com/cpuhrsch
