diff --git a/tests/test_evaluation/test_eval_utils.py b/tests/test_evaluation/test_eval_utils.py
index 75d93a7d..6f0dfbf6 100644
--- a/tests/test_evaluation/test_eval_utils.py
+++ b/tests/test_evaluation/test_eval_utils.py
@@ -11,11 +11,15 @@
 
 
 def tets_accel_error():
-    target = np.random.rand(2, 5, 3)
+    target = np.random.rand(10, 5, 3)
     output = np.copy(target)
-    mask = np.ones((output.shape[0], output.shape[1]), dtype=bool)
-    _ = keypoint_accel_error(output, target, mask)
-    _ = keypoint_accel_error(output, target)
+    mask = np.ones((output.shape[0]), dtype=bool)
+
+    error = keypoint_accel_error(output, target, mask)
+    np.testing.assert_almost_equal(error, 0)
+
+    error = keypoint_accel_error(output, target)
+    np.testing.assert_almost_equal(error, 0)
 
 
 def tets_keypoinyt_mpjpe():
@@ -25,20 +29,32 @@ def tets_keypoinyt_mpjpe():
     with pytest.raises(ValueError):
         _ = keypoint_mpjpe(output, target, mask, alignment='norm')
 
-    _ = keypoint_mpjpe(output, target, mask, alignment='none')
+    error = keypoint_mpjpe(output, target, mask, alignment='none')
+    np.testing.assert_almost_equal(error, 0)
+
+    error = keypoint_mpjpe(output, target, mask, alignment='scale')
+    np.testing.assert_almost_equal(error, 0)
 
-    _ = keypoint_mpjpe(output, target, mask, alignment='none')
+    error = keypoint_mpjpe(output, target, mask, alignment='procrustes')
+    np.testing.assert_almost_equal(error, 0)
 
-    _ = keypoint_mpjpe(output, target, mask, alignment='scale')
+    R = np.array([[1, 0, 0], [0, -1, 0], [0, 0, -1]])
+    output = np.dot(target, R)
+    error = keypoint_mpjpe(output, target, mask, alignment='none')
+    assert error > 1e-10
 
-    _ = keypoint_mpjpe(output, target, mask, alignment='procrustes')
+    R = np.array([[1, 0, 0], [0, -1, 0], [0, 0, -1]])
+    output = np.dot(target, R)
+    error = keypoint_mpjpe(output, target, mask, alignment='procrustes')
+    np.testing.assert_almost_equal(error, 0)
 
 
 def tets_keypoinyt_pve():
     target = np.random.rand(2, 6890, 3)
     output = np.copy(target)
 
-    _ = vertice_pve(output, target)
+    error = vertice_pve(output, target)
+    np.testing.assert_almost_equal(error, 0)
 
 
 def test_keypoint_3d_pck():