Make sure transformers match API definition.

tests/Unit/Transformers/AccountTransformerTest.php

@@ -27,6 +27,7 @@ use Carbon\Carbon;
 use FireflyIII\Models\TransactionCurrency;
 use FireflyIII\Repositories\Account\AccountRepositoryInterface;
 use FireflyIII\Transformers\AccountTransformer;
+use Log;
 use Mockery;
 use Steam;
 use Symfony\Component\HttpFoundation\ParameterBag;
@@ -37,6 +38,15 @@ use Tests\TestCase;
  */
 class AccountTransformerTest extends TestCase
 {
+    /**
+     *
+     */
+    public function setUp(): void
+    {
+        parent::setUp();
+        Log::info(sprintf('Now in %s.', \get_class($this)));
+    }
+
     /**
      * Check balance on a different date.
      *