diff --git a/tests/conftest.py b/tests/conftest.py
index 58676bb22..5c6e8c5d6 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -73,11 +73,17 @@ def set_backend(backend):
 
 
 def skip_np():
+    r"""
+    Skips tests if the backend is numpy.
+    """
     if math.backend_name == "numpy":
         pytest.skip("numpy")
 
 
 def skip_tf():
+    r"""
+    Skips tests if the backend is tensorflow and the version is ``>2.15.0``.
+    """
     if math.backend_name == "tensorflow":
         if Version(metadata.distribution("tensorflow").version) > Version("2.15.0"):
             pytest.skip("tensorflow")