[StaticRuntime][Easy] Correct typos in test_static_runtime (#67739)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/67739
Test Plan:
```
buck test //caffe2/benchmarks/static_runtime:static_runtime_cpptest
```
Reviewed By: mikeiovine
Differential Revision: D32125879
fbshipit-source-id: bd989e5088edff87624b858bd9045dfe9da3fbe7
