Move the 200ms delay to before the add call

This ensures that a new timestamp is created after the initial call to `addOrUpdateParkingStructure`

test/repositories/ParkingRepositorySharedTests.test.ts

@@ -175,10 +175,10 @@ describe.each(repositoryImplementations)('$name', (holder) => {
         { ...testStructure, spotsAvailable: 60, updatedTime: new Date() },
       ];
 
-      // Add updates with small delays to ensure different timestamps
       for (let i = 0; i < updates.length; i++) {
-        await repository.addOrUpdateParkingStructure(updates[i]);
+        // Ensure that different timestamps are created, even after adding the first test structure
         await new Promise((resolve) => setTimeout(resolve, 200));
+        await repository.addOrUpdateParkingStructure(updates[i]);
       }
 
       const now = Date.now();