diff --git a/testing/test_meta.py b/testing/test_meta.py
index 296aa42aa..ffc8fd38a 100644
--- a/testing/test_meta.py
+++ b/testing/test_meta.py
@@ -1,3 +1,9 @@
+"""
+Test importing of all internal packages and modules.
+
+This ensures all internal packages can be imported without needing the pytest
+namespace being set, which is critical for the initialization of xdist.
+"""
 import pkgutil
 import subprocess
 import sys