diff --git a/pymatgen/analysis/tests/test_molecule_matcher.py b/pymatgen/analysis/tests/test_molecule_matcher.py
index f3ff32b62a7..00e13978e9a 100644
--- a/pymatgen/analysis/tests/test_molecule_matcher.py
+++ b/pymatgen/analysis/tests/test_molecule_matcher.py
@@ -37,8 +37,8 @@
 class MoleculeMatcherTest(unittest.TestCase):
 
     def test_fit(self):
-        self.test_fit_with_mapper(IsomorphismMolAtomMapper())
-        self.test_fit_with_mapper(InchiMolAtomMapper())
+        self.fit_with_mapper(IsomorphismMolAtomMapper())
+        self.fit_with_mapper(InchiMolAtomMapper())
 
     def test_get_rmsd(self):
         mm = MoleculeMatcher()
@@ -72,7 +72,8 @@ def test_to_and_from_dict(self):
         mm2 = MoleculeMatcher.from_dict(d)
         self.assertEqual(d, mm2.to_dict)
 
-    def test_fit_with_mapper(self, mapper):
+    
+    def fit_with_mapper(self, mapper):
         coords = [[0.000000, 0.000000, 0.000000],
                   [0.000000, 0.000000, 1.089000],
                   [1.026719, 0.000000, -0.363000],