diff --git a/tests/google_books_telescope/test_google_books_telescope.py b/tests/google_books_telescope/test_google_books_telescope.py
index 6a8b9afa..7018f39a 100644
--- a/tests/google_books_telescope/test_google_books_telescope.py
+++ b/tests/google_books_telescope/test_google_books_telescope.py
@@ -288,7 +288,7 @@ def test_telescope(self):
                         "created": datetime_normalise(now),
                         "modified": datetime_normalise(now),
                         "data_interval_start": "2021-03-31T00:00:00+00:00",
-                        "data_interval_end": "2021-04-04T12:00:00+00:00",
+                        "data_interval_end": "2021-03-31T12:00:00+00:00",
                         "snapshot_date": None,
                         "partition_date": "2020-02-29T00:00:00+00:00",
                         "changefile_start_date": None,
@@ -307,7 +307,7 @@ def test_telescope(self):
                         "created": datetime_normalise(now),
                         "modified": datetime_normalise(now),
                         "data_interval_start": "2021-03-31T00:00:00+00:00",
-                        "data_interval_end": "2021-04-04T12:00:00+00:00",
+                        "data_interval_end": "2021-03-31T12:00:00+00:00",
                         "snapshot_date": None,
                         "partition_date": "2020-02-29T00:00:00+00:00",
                         "changefile_start_date": None,
diff --git a/tests/onix_telescope/test_onix_telescope.py b/tests/onix_telescope/test_onix_telescope.py
index d9db2a01..290f7eec 100644
--- a/tests/onix_telescope/test_onix_telescope.py
+++ b/tests/onix_telescope/test_onix_telescope.py
@@ -232,7 +232,7 @@ def test_telescope(self):
                     "created": datetime_normalise(now),
                     "modified": datetime_normalise(now),
                     "data_interval_start": "2021-03-31T00:00:00+00:00",
-                    "data_interval_end": "2021-04-04T12:00:00+00:00",
+                    "data_interval_end": "2021-03-31T12:00:00+00:00",
                     "snapshot_date": "2021-03-30T00:00:00+00:00",
                     "partition_date": None,
                     "changefile_start_date": None,