1 files changed, 3 insertions, 2 deletions
diff --git a/lib/services/mock_shift_provider_service.dart b/lib/services/mock_shift_provider_service.dart
index 8f8db3e..c7bc865 100644
--- a/lib/services/mock_shift_provider_service.dart
+++ b/lib/services/mock_shift_provider_service.dart
@@ -56,13 +56,14 @@ class MockShiftProviderService extends IProgramProviderService {
   }
 
   @override
-  Future<void> addShift(Shift shift) async {
+  Future<bool> addShift(Shift shift) async {
     for (var item in savedShifts) {
       if (DateUtilities.DateUtils.isSameDay(shift.start, item.start)) {
-        return;
+        return false;
       }
     }
     savedShifts.add(shift);
+    return true;
   }
 
   @override