diff --git a/tests/django_urls.py b/tests/django_urls.py
index 157b9b17..a3eb628e 100644
--- a/tests/django_urls.py
+++ b/tests/django_urls.py
@@ -1,3 +1,4 @@
+# pragma: no cover
 from __future__ import annotations
 
 from django.urls import path
diff --git a/tests/test_string_utils.py b/tests/test_string_utils.py
index 28329768..80cb5f27 100644
--- a/tests/test_string_utils.py
+++ b/tests/test_string_utils.py
@@ -3,21 +3,25 @@
 from servestatic.utils import ensure_leading_trailing_slash
 
 
-class EnsureLeadingTrailingSlashTests:
-    def test_none(self):
-        assert ensure_leading_trailing_slash(None) == "/"
+def test_none(self):
+    assert ensure_leading_trailing_slash(None) == "/"
 
-    def test_empty(self):
-        assert ensure_leading_trailing_slash("") == "/"
 
-    def test_slash(self):
-        assert ensure_leading_trailing_slash("/") == "/"
+def test_empty(self):
+    assert ensure_leading_trailing_slash("") == "/"
 
-    def test_contents(self):
-        assert ensure_leading_trailing_slash("/foo/") == "/foo/"
 
-    def test_leading(self):
-        assert ensure_leading_trailing_slash("/foo") == "/foo"
+def test_slash(self):
+    assert ensure_leading_trailing_slash("/") == "/"
 
-    def test_trailing(self):
-        assert ensure_leading_trailing_slash("foo/") == "/foo"
+
+def test_contents(self):
+    assert ensure_leading_trailing_slash("/foo/") == "/foo/"
+
+
+def test_leading(self):
+    assert ensure_leading_trailing_slash("/foo") == "/foo"
+
+
+def test_trailing(self):
+    assert ensure_leading_trailing_slash("foo/") == "/foo"
diff --git a/tests/utils.py b/tests/utils.py
index 3b8f8730..3666dfe4 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -1,3 +1,4 @@
+# pragma: no cover
 from __future__ import annotations
 
 import os