Improve test coverage.

app/Services/Internal/Support/AccountServiceTrait.php

@@ -255,8 +255,7 @@ trait AccountServiceTrait
 
             return true;
         }
-
-        return true;
+        return true; // @codeCoverageIgnore
     }
 
     /**

app/Services/Internal/Support/BillServiceTrait.php

@@ -45,7 +45,7 @@ trait BillServiceTrait
         if (0 === strlen($note)) {
             $dbNote = $bill->notes()->first();
             if (null !== $dbNote) {
-                $dbNote->delete();
+                $dbNote->delete(); // @codeCoverageIgnore
             }
 
             return true;

app/Services/Internal/Update/TransactionUpdateService.php

@@ -23,7 +23,6 @@ declare(strict_types=1);
 
 namespace FireflyIII\Services\Internal\Update;
 
-use FireflyIII\Exceptions\FireflyException;
 use FireflyIII\Models\Transaction;
 use FireflyIII\Services\Internal\Support\TransactionServiceTrait;
 use FireflyIII\User;
@@ -70,7 +69,6 @@ class TransactionUpdateService
      * @param array       $data
      *
      * @return Transaction
-     * @throws FireflyException
      */
     public function update(Transaction $transaction, array $data): Transaction
     {
@@ -159,6 +157,6 @@ class TransactionUpdateService
         $category = $this->findCategory(0, $category);
         $this->setCategory($transaction, $category);
 
-        return $category;
+        return $transaction;
     }
 }