Fix config tests

Author: cpacia

api/restapi.py

@@ -821,7 +821,8 @@ def set_settings(self, request):
                 else request.args["resolver"][0]
             if "libbitcoin_server" in request.args and request.args["libbitcoin_server"][0] != "":
                 if self.protocol.testnet:
-                    set_value("LIBBITCOIN_SERVERS_TESTNET", "testnet_server_custom", request.args["libbitcoin_server"][0])
+                    set_value("LIBBITCOIN_SERVERS_TESTNET", "testnet_server_custom",
+                              request.args["libbitcoin_server"][0])
                 else:
                     set_value("LIBBITCOIN_SERVERS", "server_custom", request.args["libbitcoin_server"][0])
             else:

config.py

@@ -261,9 +261,9 @@ def test_is_seed_tuple():
         good = ('seed.openbazaar.org:8080', '5b44be5c18ced1bc9400fe5e79c8ab90204f06bebacc04dd9c70a95eaca6e117')
         bad_not_tuple = 'seed.openbazaar.org:8080,5b44be5c18ced1bc9400fe5e79c8ab90204f06bebacc04dd9c70a95eaca6e117'
         bad_not_seed_tuple = ('aoioai', 'aoioai')
-        assert _is_tuple(good)
-        assert not _is_tuple(bad_not_tuple)
-        assert not _is_tuple(bad_not_seed_tuple)
+        assert _is_tuple(good, "seed")
+        assert not _is_tuple(bad_not_tuple, "seed")
+        assert not _is_tuple(bad_not_seed_tuple, "seed")
 
 
     _is_linux()