test fixes

Author: WillAyd

pandas/_libs/src/vendored/numpy/datetime/np_datetime.c

@@ -435,7 +435,7 @@ npy_datetime npy_datetimestruct_to_datetime(NPY_DATETIMEUNIT base,
   const int64_t days = get_datetimestruct_days(dts);
   if (days == -1) {
     PyGILState_STATE gstate = PyGILState_Ensure();
-    bool did_error = PyErr_Occurred() ? false : true;
+    bool did_error = PyErr_Occurred() == NULL ? false : true;
     PyGILState_Release(gstate);
     if (did_error) {
       return -1;

pandas/tests/frame/test_constructors.py

@@ -3198,8 +3198,11 @@ def test_from_out_of_bounds_ns_datetime(
 
     def test_out_of_s_bounds_datetime64(self, constructor):
         scalar = np.datetime64(np.iinfo(np.int64).max, "D")
-        with pytest.raises(OverflowError, match="Overflow occurred"):
-            constructor(scalar)
+        result = constructor(scalar)
+        item = get1(result)
+        assert type(item) is np.datetime64
+        dtype = tm.get_dtype(result)
+        assert dtype == object
 
     @pytest.mark.parametrize("cls", [timedelta, np.timedelta64])
     def test_from_out_of_bounds_ns_timedelta(