diff --git a/test/test_prase_it.py b/test/test_prase_it.py
index 521b8af..1036119 100644
--- a/test/test_prase_it.py
+++ b/test/test_prase_it.py
@@ -26,7 +26,7 @@
     "xml"
 ]
 
-test_files_location = os.getenv("TEST_FILES_LOCATION", "test_files")
+test_files_location = os.getenv("TEST_FILES_LOCATION", "test/test_files")
 
 
 class BaseTests(TestCase):
@@ -120,6 +120,7 @@ def test_read_envvar_single_file_config(self):
         parser = ParseIt(config_location=test_files_location + "/test.hcl")
         reply = parser.read_configuration_variable("file_type")
         self.assertEqual(reply, "envvar")
+        del os.environ["FILE_TYPE"]
 
     def test_read_cli_args_folder_does_not_exist_raise_warn(self):
         with self.assertWarns(Warning):
@@ -781,6 +782,7 @@ def test_envvar_defined_true(self):
         os.environ["TEST_ENV"] = "123"
         reply = envvar_defined("TEST_ENV")
         self.assertTrue(reply)
+        del os.environ["TEST_ENV"]
 
     def test_envvar_defined_false(self):
         reply = envvar_defined("TEST_ENV")
@@ -790,11 +792,13 @@ def test_envvar_defined_true_upper_case(self):
         os.environ["TEST_ENV"] = "123"
         reply = envvar_defined("test_env", force_uppercase=True)
         self.assertTrue(reply)
+        del os.environ["TEST_ENV"]
 
     def test_envvar_defined_false_upper_case(self):
         os.environ["TEST_ENV"] = "123"
         reply = envvar_defined("test_env", force_uppercase=False)
         self.assertFalse(reply)
+        del os.environ["TEST_ENV"]
 
     def test_read_all_envvars_to_dict_force_uppercase_true(self):
         test_envvars = {"TEST_ENV": "123", "test_env_lowercase": "456"}