diff --git a/tests/unit/byteb4rb1e/utils/urllib/test_request.py b/tests/unit/byteb4rb1e/utils/urllib/test_request.py
index 787fb29..468751d 100644
--- a/tests/unit/byteb4rb1e/utils/urllib/test_request.py
+++ b/tests/unit/byteb4rb1e/utils/urllib/test_request.py
@@ -5,7 +5,7 @@ import urllib.request
 import pytest
 
 from byteb4rb1e.testing.pytest.decorators import run_in_subprocess_once
-from byteb4rb1e.testing.pytest.fixtures import mock_pkg
+from byteb4rb1e.testing.pytest.fixtures import mock_system_site_package_dir
 from byteb4rb1e.utils.urllib.request import PkgHandler
 
 
@@ -13,7 +13,7 @@ class TestPkgHandler:
     """
     """
     @run_in_subprocess_once()
-    def test_text(self, mock_pkg):
+    def test_text(self, mock_system_site_package_dir):
         """
         """
         _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
@@ -22,9 +22,8 @@ class TestPkgHandler:
 
         dummy_data = 'Hello'
 
-        mock_pkg('foobarpkg', {
-            'data.txt': dummy_data
-        })
+        pkg_dir = mock_system_site_package_dir('foobarpkg')
+        (pkg_dir / 'data.txt').write_text(dummy_data)
 
         result = _opener.open('pkg://foobarpkg/data.txt').readline()
 
@@ -33,7 +32,7 @@ class TestPkgHandler:
 
 
     @run_in_subprocess_once()
-    def test_bytes(self, mock_pkg):
+    def test_bytes(self, mock_system_site_package_dir):
         """
         """
         _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
@@ -42,9 +41,8 @@ class TestPkgHandler:
 
         dummy_data = b'foobar123'
 
-        mock_pkg('foobarpkg', {
-            'data.bin': dummy_data
-        })
+        pkg_dir = mock_system_site_package_dir('foobarpkg')
+        (pkg_dir / 'data.bin').write_bytes(dummy_data)
 
         result = _opener.open('pkg://foobarpkg/data.bin').readline()
 
@@ -53,7 +51,7 @@ class TestPkgHandler:
 
 
     @run_in_subprocess_once()
-    def test_subdir(self, mock_pkg):
+    def test_subdir(self, mock_system_site_package_dir):
         """
         """
         _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
@@ -62,9 +60,12 @@ class TestPkgHandler:
 
         dummy_data = 'foobar123'
 
-        mock_pkg('foobarpkg', {
-            'foo/bar/data.txt': dummy_data
-        })
+        pkg_dir = mock_system_site_package_dir('foobarpkg')
+
+        dummy_file = (pkg_dir / 'foo' / 'bar' / 'data.txt')
+
+        dummy_file.parent.mkdir(parents=True)
+        dummy_file.write_text(dummy_data)
 
         result = _opener.open('pkg://foobarpkg/foo/bar/data.txt').readline()
 
@@ -72,7 +73,7 @@ class TestPkgHandler:
 
 
     @run_in_subprocess_once()
-    def test_nested_module(self, mock_pkg):
+    def test_nested_module(self, mock_system_site_package_dir):
         """
         """
         _opener: urllib.request.OpenerDirector =  urllib.request.build_opener(
@@ -81,9 +82,11 @@ class TestPkgHandler:
 
         dummy_data = 'foobar123'
 
-        mock_pkg('foo.bar.pkg', {
-            'dummy/data.txt': dummy_data
-        })
+        pkg_dir = mock_system_site_package_dir('foo.bar.pkg')
+        dummy_file = (pkg_dir / 'dummy' / 'data.txt')
+
+        dummy_file.parent.mkdir(parents=True)
+        dummy_file.write_text(dummy_data)
 
         result = _opener.open('pkg://foo.bar.pkg/dummy/data.txt').readline()