diff --git a/tests/test_utils_npy.py b/tests/test_utils_npy.py
index c2c9abaaa..9ba92797b 100644
--- a/tests/test_utils_npy.py
+++ b/tests/test_utils_npy.py
@@ -32,12 +32,12 @@ def test_nice_linspace(start, stop, num, expected):
 
 
 @pytest.mark.parametrize("start, stop, step, endpoint, expected", [
-    (-2, 2, 2, True, np.array([-2., 0., 2.])),                 # symmetric around 0
-    (0, 5, 2, True, np.array([0., 2., 4.])),                   # basic
+    (-2, 2, 2, True, np.array([-2., 0., 2.])),                 
+    (0, 5, 2, True, np.array([0., 2., 4.])),                   
     (0, 5, 2, False, np.array([0., 2.])),     
-    (-1, 2, 1.5, True, np.array([-1.5, 0., 1.5])),              # step doesn't fit exactly
-    (-1,  2, -1.5,  True,  np.array([-1.5, 0., 1.5])),  
-    ( 5,  0,  -2,   True,  np.array([ 4.,  2.,  0.])),
+    (-1, 2, 1.5, True, np.array([-1.5, 0., 1.5])),              
+    (-1,  2, -1.5,  True,  np.array([1.5, 0., -1.5])),  
+    ( 5,  0,  -2,   True,  np.array([ 0.,  2.,  4.])),
 
 ])
 def test_nice_steps_centered(start, stop, step, endpoint, expected):
@@ -45,13 +45,13 @@ def test_nice_steps_centered(start, stop, step, endpoint, expected):
 
 
 @pytest.mark.parametrize("start, stop, step, endpoint, expected", [
-    (0, 5, 2,  True,  np.array([0., 2., 4.])),        
-    (0, 5, 2,  False, np.array([0., 2.])),
-    (-1, 2, 1.5, True,  np.array([-1., 0.5, 2.])),   
-    (-1, 2, 1.5, False, np.array([-1., 0.5])),
-    (-2, 1, 1.2, True,  np.array([-2., -0.8, 0.4])),  
-    (5, 0, -2,  True,  np.array([5., 3., 1.])),       
-    (5, 0, -2,  False, np.array([5., 3.])),
+    (0, 5, 2,   True,  np.array([0., 2., 4.])),
+    (0, 5, 2,   False, np.array([0., 2.])),
+    (-1, 2, 1.5,True,  np.array([-1., 0.5, 2.])),
+    (-1, 2, 1.5,False, np.array([-1., 0.5])),
+    (-2, 1, 1.2,True,  np.array([-2., -0.8, 0.4])),
+    (5, 0, -2,  True,  np.array([0., 2., 4.])), 
+    (5, 0, -2,  False, np.array([0., 2.])),
 ])
 def test_nice_steps_left_aligned(start, stop, step, endpoint, expected):
     np.testing.assert_allclose(nice_steps_left_aligned(start, stop, step, endpoint), expected)
@@ -59,13 +59,13 @@ def test_nice_steps_left_aligned(start, stop, step, endpoint, expected):
 
 
 @pytest.mark.parametrize("start, stop, step, endpoint, expected", [
-    (0, 5, 2, True, np.array([6., 4., 2., 0.])),               # Right-aligned, overshoots left
-    (0, 5, 2, False, np.array([4., 2., 0.])),                  # Right-aligned, no endpoint
-    (-1, 2, 1.5, True, np.array([2., 0.5, -1.])),              # Step doesn t divide evenly, reverse it
-    (-1, 2, 1.5, False, np.array([0.5, -1.])),                 # Without endpoint
-    (5, 0, -2, True, np.array([5., 3., 1., -1.])),             # Negative step, includes endpoint overshoot
-    (5, 0, -2, False, np.array([3., 1., -1.])),                # No endpoint, skips last one
-    (-3, 3, 2, True, np.array([5., 3., 1., -1., -3.])),        # Large symmetric range, reverse
+    (0, 5, 2,  True,  np.array([4., 2., 0.])),      
+    (0, 5, 2,  False, np.array([4., 2.])),          
+    (-1, 2, 1.5, True,  np.array([1.5, 0., -1.5])), 
+    (-1, 2, 1.5, False, np.array([1.5, 0.])),     
+    (5, 0, -2, True,  np.array([4., 2., 0.])),      
+    (5, 0, -2, False, np.array([4., 2.])),         
+    (-3, 3, 2, True,  np.array([2., 0., -2.])),  
 ])
 def test_nice_steps_right_aligned(start, stop, step, endpoint, expected):
     np.testing.assert_allclose(nice_steps_right_aligned(start, stop, step, endpoint), expected)