Fix tests and fix coverage.

app/Repositories/Journal/JournalRepository.php

@@ -48,11 +48,6 @@ class JournalRepository implements JournalRepositoryInterface
      */
     public function delete(TransactionJournal $journal)
     {
-        // delete transactions first:
-        /** @var Transaction $transaction */
-        foreach ($journal->transactions()->get() as $transaction) {
-            $transaction->delete();
-        }
         $journal->delete();
 
         return true;