Address test issues

tests/pytests/unit/utils/test_minions.py

@@ -59,7 +59,11 @@ def test_connected_ids_remote_minions():
 # These validate_tgt tests make the assumption that CkMinions.check_minions is
 # correct. In other words, these tests are only worthwhile if check_minions is
 # also correct.
-def test_validate_tgt_should_return_false_when_no_valid_minions_have_been_found():
+def test_validate_tgt_returns_true_when_no_valid_minions_have_been_found():
+    """
+    CKMinions is only able to check against minions the master knows about. If
+    no minion keys have been accepted it will return True.
+    """
     ckminions = salt.utils.minions.CkMinions(opts={})
     with patch(
         "salt.utils.minions.CkMinions.check_minions", autospec=True, return_value={}