[Static Runtime] testStaticRuntime verifies that # of nodes is at least 2 (#62622)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/62622
This allows us to catch cases where an out variant is being tested but the test author forgot to call `.clone()` in the test script. More than 2 ops does not guarantee that the memory planner is being exercised, but less than 2 guarantees that it is not being used.
Reviewed By: hlu1
Differential Revision: D30058050
fbshipit-source-id: 5bc053736f1cc6fd1ffcf8254bf38874ac18c34b
