diff --git a/src/rookify/modules/module.py b/src/rookify/modules/module.py
index 2499916..91f3131 100644
--- a/src/rookify/modules/module.py
+++ b/src/rookify/modules/module.py
@@ -25,19 +25,18 @@ def __init__(self, machine: Machine, config: Dict[str, Any]):
         :param config: The global config file
         :return: returns nothing
         """
+        self._ceph: Optional[Ceph] = None
         self._config = config
+        self._k8s: Optional[K8s] = None
         self._machine = machine
-
-        self.__ceph: Optional[Ceph] = None
-        self.__k8s: Optional[K8s] = None
-        self.__ssh: Optional[SSH] = None
-        self.__logger = get_logger()
+        self._ssh: Optional[SSH] = None
+        self._logger = get_logger()
 
     @property
     def ceph(self) -> Ceph:
-        if self.__ceph is None:
-            self.__ceph = Ceph(self._config["ceph"])
-        return self.__ceph
+        if self._ceph is None:
+            self._ceph = Ceph(self._config["ceph"])
+        return self._ceph
 
     @property
     def machine(self) -> Machine:
@@ -45,19 +44,19 @@ def machine(self) -> Machine:
 
     @property
     def k8s(self) -> K8s:
-        if self.__k8s is None:
-            self.__k8s = K8s(self._config["kubernetes"])
-        return self.__k8s
+        if self._k8s is None:
+            self._k8s = K8s(self._config["kubernetes"])
+        return self._k8s
 
     @property
     def logger(self) -> structlog.getLogger:
-        return self.__logger
+        return self._logger
 
     @property
     def ssh(self) -> SSH:
-        if self.__ssh is None:
-            self.__ssh = SSH(self._config["ssh"])
-        return self.__ssh
+        if self._ssh is None:
+            self._ssh = SSH(self._config["ssh"])
+        return self._ssh
 
     @abc.abstractmethod
     def preflight(self) -> None:
diff --git a/tests/mock_k8s_prerequisite_check.py b/tests/mock_k8s_prerequisite_check.py
index fc329de..6be782d 100644
--- a/tests/mock_k8s_prerequisite_check.py
+++ b/tests/mock_k8s_prerequisite_check.py
@@ -1,26 +1,15 @@
+# -*- coding: utf-8 -*-
+
 from rookify.modules.k8s_prerequisites_check.main import K8sPrerequisitesCheckHandler
 from typing import Any
+from .mock_k8s import MockK8s
 
 
 # Note: currently this test works with pytest but not with unittest, which is not able to import needed classes
 class MockK8sPrerequisitesCheckHandler(K8sPrerequisitesCheckHandler):
-    def __init__(self, *args: Any, **kwargs: Any) -> None:
-        super().__init__(*args, **kwargs)
-        self._k8s = None
-
-    @property
-    def k8s(self) -> Any:
-        return self._k8s
-
-    @k8s.setter
-    def k8s(self, value: Any) -> None:
-        self._k8s = value
-
-    def preflight(self) -> None:
-        super().preflight()
-        pass
+    def __init__(self, request_callback: Any, *args: Any, **kwargs: Any) -> None:
+        K8sPrerequisitesCheckHandler.__init__(self, *args, **kwargs)
+        self._k8s = MockK8s(request_callback)  # type: ignore
 
-    # Note: This solves the error 'cannot instantiate abstract class "MockK8sPrerequisitesCheckHandler" with abstract attribute "execute"'
     def execute(self) -> None:
-        super().execute()
-        pass
+        K8sPrerequisitesCheckHandler.execute(self)
diff --git a/tests/modules/test_k8s_prerequisites_check.py b/tests/modules/test_k8s_prerequisites_check.py
index 8a1ae28..e91daa8 100644
--- a/tests/modules/test_k8s_prerequisites_check.py
+++ b/tests/modules/test_k8s_prerequisites_check.py
@@ -2,9 +2,8 @@
 from unittest.mock import Mock
 
 from rookify.modules.exception import ModuleException
-from ..mock_k8s import MockK8s
-from ..mock_k8s_prerequisite_check import MockK8sPrerequisitesCheckHandler
 from typing import Any, Dict, List
+from ..mock_k8s_prerequisite_check import MockK8sPrerequisitesCheckHandler
 
 
 # Note: currently this test works with pytest but not with unittest, which is not able to import needed classes
@@ -41,22 +40,19 @@ def __init__(self, items: List[Namespace]):
         )
 
     def test_namespaces(self) -> None:
-        # Instantiate MockK8s
-        mock_k8s = MockK8s(self._request_callback)
         # Instantiate K8sPrerequisitesCheckHandler with the mock ModuleHandler
-        handler_instance = MockK8sPrerequisitesCheckHandler(Mock(), self.config)
+        handler_instance = MockK8sPrerequisitesCheckHandler(
+            self._request_callback, Mock(), self.config
+        )
         # Set the k8s attribute to the mock_k8s instance
-        handler_instance.k8s = mock_k8s
-        # Call the preflight method to run the test
         handler_instance.preflight()
 
     def test_namespaces_fails(self) -> None:
-        # Instantiate MockK8s
-        mock_k8s = MockK8s(self._request_callback)
         # Instantiate K8sPrerequisitesCheckHandler with the mock ModuleHandler
-        handler_instance = MockK8sPrerequisitesCheckHandler(Mock(), self.config)
-        # Set the k8s attribute to the mock_k8s instance
-        handler_instance.k8s = mock_k8s
+        handler_instance = MockK8sPrerequisitesCheckHandler(
+            self._request_callback, Mock(), self.config
+        )
+
         # Modify the config to have a different namespace than what is expected
         handler_instance._config["rook"]["cluster"]["namespace"] = "wrong-namespace"
         # Call the preflight method to run the test