fix test

Author: Peter

tests/test_rotation_conversions.py

@@ -23,7 +23,13 @@ def test_axis_angle_to_matrix_perf():
     dt2 = timeit.timeit(lambda: axis_and_angle_to_matrix_33(axis=axis_1d, theta=theta), number=number)
     print(f'New method: {dt2:.5f}')
 
-def test_quaternion_close
+
+def test_quaternion_not_close():
+    # ensure it returns false for quaternions that are far apart
+    q1 = torch.tensor([1., 0, 0, 0])
+    q2 = torch.tensor([0., 1, 0, 0])
+    assert not quaternion_close(q1, q2)
+
 
 def test_quaternion_from_euler():
     q = quaternion_from_euler(torch.tensor([0., 0, 0]))