Fixes the rigid body tests (#1345)

# Description

Fixes the commented out tests in the rigid body test

## Type of change

- Bug fix (non-breaking change which fixes an issue)

## Checklist

- [x] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [x] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

tools/per_test_timeouts.py

@@ -9,6 +9,7 @@ Any tests not listed here will use the default timeout.
 """
 PER_TEST_TIMEOUTS = {
     "test_articulation.py": 200,
+    "test_deformable_object.py": 200,
     "test_environments.py": 1200,  # This test runs through all the environments for 100 steps each
     "test_environment_determinism.py": 200,  # This test runs through many the environments for 100 steps each
     "test_env_rendering_logic.py": 300,