diff --git a/tests/test_common_methods.py b/tests/test_common_methods.py
index 6854725..f44d6b8 100644
--- a/tests/test_common_methods.py
+++ b/tests/test_common_methods.py
@@ -2,18 +2,35 @@
 from potholeClassifier.utils.common import *
 from potholeClassifier.constants import *
 from box import ConfigBox
-import os
-import tempfile
-import shutil
-from io import BytesIO
-from unittest.mock import patch
 
 
 def test_read_yaml_valid_file() -> None:
+    """
+    Test that the read_yaml function correctly reads a valid YAML file and 
+    returns an instance of the ConfigBox class.
+
+    Steps:
+    1. Call read_yaml with CONFIG_FILE_PATH.
+    2. Assert that the result is an instance of ConfigBox.
+
+    Expected Outcome:
+    The function should return an object of type ConfigBox.
+    """
     result = read_yaml(CONFIG_FILE_PATH)
     assert isinstance(result, ConfigBox)
 
 
 def test_read_yaml_nonexistent_file() -> None:
+    """
+    Test that the read_yaml function raises a FileNotFoundError when provided 
+    with a path to a non-existent file.
+
+    Steps:
+    1. Use pytest.raises to catch a FileNotFoundError.
+    2. Call read_yaml with the EMPTY_FILE_PATH.
+
+    Expected Outcome:
+    The function should raise a FileNotFoundError.
+    """
     with pytest.raises(FileNotFoundError):
         read_yaml(Path(EMPTY_FILE_PATH))