Fixing tests

Author: gbayarri

biobb_io/test/unitests/test_mmb_api/test_ligand.py

@@ -14,4 +14,4 @@ def teardown_class(self):
     def test_ligand(self):
         ligand(properties=self.properties, **self.paths)
         assert fx.not_empty(self.paths['output_pdb_path'])
-        assert fx.equal_txt(self.paths['output_pdb_path'], self.paths['reference_output_pdb_path'], percent_tolerance=50)
+        assert fx.equal_txt(self.paths['output_pdb_path'], self.paths['reference_output_pdb_path'], percent_tolerance=10)