diff --git a/tdrs-backend/tdpservice/search_indexes/test/test_tasks.py b/tdrs-backend/tdpservice/search_indexes/test/test_tasks.py
new file mode 100644
index 000000000..734c6f380
--- /dev/null
+++ b/tdrs-backend/tdpservice/search_indexes/test/test_tasks.py
@@ -0,0 +1,16 @@
+"""Tests for search indexes custom tasks."""
+
+import pytest
+from django.utils import timezone
+from datetime import timedelta
+from faker import Faker
+from tdpservice.search_indexes.tasks import prettify_time_delta
+
+@pytest.mark.django_db
+def test_prettify_time_delta():
+    """Test prettify_time_delta."""
+    start = timezone.now()
+    end = start + timedelta(seconds=100)
+
+    assert prettify_time_delta(start, end) == (1, 40)
+