fix test

Author: MeadBarrel

tests/test_foo.py

@@ -1,14 +1,9 @@
 """Tests for the foo module."""
 
 from tariff_fetch.foo import hello_world
-from tariff_fetch.genability.tariffs import a
 
 
 def test_hello_world():
     """Test the hello_world function."""
     result = hello_world()
     assert result == "Hello, World!"
-
-
-def test_a():
-    a(b="3")