diff --git a/tests/unit/app/endpoints/__init__.py b/tests/unit/app/endpoints/__init__.py
new file mode 100644
index 00000000..c11c0b25
--- /dev/null
+++ b/tests/unit/app/endpoints/__init__.py
@@ -0,0 +1 @@
+"""Unit tests for endpoints implementations."""
diff --git a/tests/unit/runners/__init__.py b/tests/unit/runners/__init__.py
new file mode 100644
index 00000000..98b03371
--- /dev/null
+++ b/tests/unit/runners/__init__.py
@@ -0,0 +1 @@
+"""Unit tests for runners."""