TST: Remove bare pytest.raises 
References #30999 

Adds match argument to pytest.raises found in the following files. https://github.com/pandas-dev/pandas/issues/30999#issuecomment-574174389

**ToDo:**
- [x] pandas/tests/arithmetic/test_numeric
- [X] pandas/tests/arithmetic/test_object
- [x] pandas/tests/arithmetic/test_timedelta64
- [x] pandas/tests/arrays/interval/test_interval
- [ ] add whatsnew entry