diff --git a/test/test_start_stop.py b/test/test_start_stop.py
index 5e5eab99..411e53ca 100644
--- a/test/test_start_stop.py
+++ b/test/test_start_stop.py
@@ -2,24 +2,24 @@
 
 from bakta.features import signal_peptides as bu
 
-oneTwentyone_fwd = {'start': 1, 'stop': 21, 'strand': '+'}
-oneTwentyone_rev = {'start': 1, 'stop': 21, 'strand': '-'}
-fourFifteen_fwd = {'start': 4, 'stop': 15, 'strand': '+'}
-fourFifteen_rev = {'start': 4, 'stop': 15, 'strand': '-'}
+one_twentyone_fwd = {'start': 1, 'stop': 21, 'strand': '+'}
+one_twentyone_rev = {'start': 1, 'stop': 21, 'strand': '-'}
+four_fifteen_fwd = {'start': 4, 'stop': 15, 'strand': '+'}
+four_fifteen_rev = {'start': 4, 'stop': 15, 'strand': '-'}
 
 @pytest.mark.parametrize(
     "orf, start, stop, expected",
     [
         # Forward strand
-        (oneTwentyone_fwd, 1, 3, (1,9)),   # ORF spans whole sequence length, signal peptide starts at AA 1
-        (oneTwentyone_fwd, 2, 7, (4,21)),  # ORF spans whole sequence length, signal peptide stops at last AA
-        (fourFifteen_fwd, 1, 3, (4,12)),   # ORF does not span whole sequence length, signal peptide starts at AA 1
-        (fourFifteen_fwd, 2, 4, (7,15)),   # ORF does not span whole sequence length, signal peptide stops at last AA
+        (one_twentyone_fwd, 1, 3, (1,9)),   # ORF spans whole sequence length, signal peptide starts at AA 1
+        (one_twentyone_fwd, 2, 7, (4,21)),  # ORF spans whole sequence length, signal peptide stops at last AA
+        (four_fifteen_fwd, 1, 3, (4,12)),   # ORF does not span whole sequence length, signal peptide starts at AA 1
+        (four_fifteen_fwd, 2, 4, (7,15)),   # ORF does not span whole sequence length, signal peptide stops at last AA
         # Reverse strand
-        (oneTwentyone_rev, 1, 3, (13,21)), # ORF spans whole sequence length, signal peptide starts at AA 1
-        (oneTwentyone_rev, 3, 7, (1,15)),  # ORF spans whole sequence length, signal peptide stops at last AA
-        (fourFifteen_rev, 1, 2, (10,15)),  # ORF does not span whole sequence length, signal peptide starts at AA 1
-        (fourFifteen_rev, 2, 3, (7,12))    # ORF does not span whole sequence length, signal peptide in the middle of ORF
+        (one_twentyone_rev, 1, 3, (13,21)), # ORF spans whole sequence length, signal peptide starts at AA 1
+        (one_twentyone_rev, 3, 7, (1,15)),  # ORF spans whole sequence length, signal peptide stops at last AA
+        (four_fifteen_rev, 1, 2, (10,15)),  # ORF does not span whole sequence length, signal peptide starts at AA 1
+        (four_fifteen_rev, 2, 3, (7,12))    # ORF does not span whole sequence length, signal peptide in the middle of ORF
     ]
 )
 def test_start_stop(orf, start, stop, expected):