Change integrations/tensorflow/compiler test to use iree_py_test.
Change integrations/tensorflow/compiler test to use iree_py_test.

Fixes more OSS failures to import modules following https://github.com/google/iree/pull/682 (missed in https://github.com/google/iree/pull/690).

PiperOrigin-RevId: 293742372

google/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,iree-org/iree,iree-org/iree,iree-org/iree,iree-org/iree,google/iree,google/iree,google/iree,iree-org/iree,google/iree