diff --git a/tests/testutil.py b/tests/testutil.py
index 18b4195cdd52d050d9f8dbec0e432dd3adc7df8d..b5eea67bddb665e7838ce03c1811fc3ef43df653 100644
--- a/tests/testutil.py
+++ b/tests/testutil.py
@@ -217,9 +217,12 @@ class TestBooksLoader(books.Loader):
     def __init__(self, source):
         self.source = source
 
-    def load_fy_range(self, from_fy, to_fy=None):
+    def load_all(self):
         return bc_loader.load_file(self.source)
 
+    def load_fy_range(self, from_fy, to_fy=None):
+        return self.load_all()
+
 
 class TestConfig:
     def __init__(self, *,