TST: add regression test for nanosecond timedelta overflow

Author: vishwas-droid

pandas/tests/scalar/timedelta/test_constructors.py

@@ -782,4 +782,3 @@ def test_to_timedelta_overflow_raises():
     msg = "Cannot cast .* from ns to 'ns' without overflow"
     with pytest.raises(OutOfBoundsTimedelta, match=msg):
         pd.to_timedelta(10**20, unit="ns")
-