tests: naming of variables in test_policy:apply_policy is highly confusing

tests/test_policy.py

@@ -53,8 +53,8 @@ def create_policy_objects(source_name, target_version, source_version):
     )
 
 
-def apply_policy(policy, expected_verdict, src_name, *, suite='unstable', source_version='1.0', target_version='2.0'):
+def apply_policy(policy, expected_verdict, src_name, *, suite='unstable', target_version='1.0', source_version='2.0'):
-    src_t, src_u, excuse, policy_info = create_policy_objects(src_name, source_version, target_version)
+    src_t, src_u, excuse, policy_info = create_policy_objects(src_name, target_version, source_version)
     suite_info = policy.suite_info
     suite_info.target_suite.sources[src_name] = src_t
     suite_info[suite].sources[src_name] = src_u