fix tests

Author: vb64

tests/test/__init__.py

@@ -12,6 +12,6 @@ def fixture(*file_name):
         return os.path.join('fixture', *file_name)
 
     @staticmethod
-    def build(file_name):
+    def build(*file_name):
         """Return path to file in 'build' folder."""
-        return os.path.join('build', file_name)
+        return os.path.join('build', *file_name)