diff --git a/ensemble_md/tests/test_coordinate_swap.py b/ensemble_md/tests/test_coordinate_swap.py
index d0cbd50..36db8e2 100644
--- a/ensemble_md/tests/test_coordinate_swap.py
+++ b/ensemble_md/tests/test_coordinate_swap.py
@@ -196,8 +196,8 @@ def test_process_line():
     assert line == ['19GLU', 'H3', '4', '1.833', '4.306', '4.113', '-0.3604', '0.3093', '-1.3761\n']
 
     line, prev_line = coordinate_swap._process_line(file, 15429)
-    assert prev_line == ['4487SOL', 'HW1', '15427', '5.528', '0.500', '4.439', '1.2407', '1.5381', '-0.1116\n'] #15429
-    assert line == ['4487SOL', 'HW2', '15428', '5.477', '0.613', '4.526', '-0.4379', '1.1843', '-0.6399\n'] #15430
+    assert prev_line == ['4487SOL', 'HW1', '15427', '5.528', '0.500', '4.439', '1.2407', '1.5381', '-0.1116\n']
+    assert line == ['4487SOL', 'HW2', '15428', '5.477', '0.613', '4.526', '-0.4379', '1.1843', '-0.6399\n']
 
 
 def test_print_preamble():