diff --git a/tests/test_config.py b/tests/test_config.py
index 6747d80..3888866 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -8,15 +8,19 @@ from unittest import TestCase
 
 from rcon.config import Config
 
+def random_passwd() -> str:
+    """Generates a random password containing all printable characters."""
+
+    chars = list(printable)
+    shuffle(chars)
+    return ''.join(chars)
+
 
 class TestConfig(TestCase):
     """Test the named tuple Config."""
 
     def setUp(self):
         """Sets up test and target data."""
-        chars = list(printable)
-        shuffle(chars)
-        self.passwd = ''.join(chars)
         self.hosts = [
             'subsubdomain.subdomain.example.com',
             'locahost',
@@ -25,16 +29,17 @@ class TestConfig(TestCase):
         self.ports = range(65_536)
 
     @property
-    def sockets(self) -> Iterator[Tuple[str, int]]:
+    def _sockets(self) -> Iterator[Tuple[str, int]]:
         """Yields (host, port) tuples."""
         return product(self.hosts, self.ports)
 
     def _test_from_string_with_password(self, host, port):
         """Tests the Config.from_string() method with a password."""
-        config = Config.from_string(f'{self.passwd}@{host}:{port}')
+        passwd = random_passwd()
+        config = Config.from_string(f'{passwd}@{host}:{port}')
         self.assertEqual(config.host, host)
         self.assertEqual(config.port, port)
-        self.assertEqual(config.passwd, self.passwd)
+        self.assertEqual(config.passwd, passwd)
 
     def _test_from_string_without_password(self, host, port):
         """Tests the Config.from_string() method without a password."""
@@ -45,6 +50,6 @@ class TestConfig(TestCase):
 
     def test_from_string(self):
         """Tests the Config.from_string() method."""
-        for host, port in self.sockets:
+        for host, port in self._sockets:
             self._test_from_string_with_password(host, port)
             self._test_from_string_without_password(host, port)