added fixture, updated test

Author: ArtificialQualia

pandas/conftest.py

@@ -218,6 +218,19 @@ def all_compare_operators(request):
     return request.param
 
 
+@pytest.fixture(params=['__le__', '__lt__', '__ge__', '__gt__'])
+def compare_operators_no_eq_ne(request):
+    """
+    Fixture for dunder names for compare operations except == and !=
+
+    * >=
+    * >
+    * <
+    * <=
+    """
+    return request.param
+
+
 @pytest.fixture(params=[None, 'gzip', 'bz2', 'zip', 'xz'])
 def compression(request):
     """

pandas/tests/scalar/test_nat.py

@@ -1,4 +1,5 @@
 from datetime import datetime, timedelta
+import operator
 
 import numpy as np
 import pytest
@@ -350,14 +351,12 @@ def test_to_numpy_alias():
     assert isna(expected) and isna(result)
 
 
-@pytest.mark.parametrize("op", [
-    lambda a, b: a > b, lambda a, b: a >= b,
-    lambda a, b: a < b, lambda a, b: a <= b
-])
 @pytest.mark.parametrize("other", [
     Timedelta(0), Timestamp(0)
 ])
-def test_nat_comparisons(op, other):
+def test_nat_comparisons(compare_operators_no_eq_ne, other):
     # GH 26039
+    short_opname = compare_operators_no_eq_ne.strip('_')
+    op = getattr(operator, short_opname)
     assert op(NaT, other) is False
     assert op(other, NaT) is False