diff --git a/lib/iris/tests/unit/pandas/__init__.py b/lib/iris/tests/unit/pandas/__init__.py
new file mode 100644
index 0000000000..103a264839
--- /dev/null
+++ b/lib/iris/tests/unit/pandas/__init__.py
@@ -0,0 +1,6 @@
+# Copyright Iris contributors
+#
+# This file is part of Iris and is released under the LGPL license.
+# See COPYING and COPYING.LESSER in the root of the repository for full
+# licensing details.
+"""Unit tests for the :mod:`iris.pandas` module."""
diff --git a/lib/iris/tests/test_pandas.py b/lib/iris/tests/unit/pandas/test_pandas.py
similarity index 99%
rename from lib/iris/tests/test_pandas.py
rename to lib/iris/tests/unit/pandas/test_pandas.py
index 60a271c53b..fd716bd7c9 100644
--- a/lib/iris/tests/test_pandas.py
+++ b/lib/iris/tests/unit/pandas/test_pandas.py
@@ -3,6 +3,7 @@
 # This file is part of Iris and is released under the LGPL license.
 # See COPYING and COPYING.LESSER in the root of the repository for full
 # licensing details.
+"""All unit tests for the :mod:`iris.pandas` module."""
 
 # import iris tests first so that some things can be initialised before
 # importing anything else