Refactor testRequestPeriodicReview to use default client

Author: gcatanese

tests/Unit/LegalEntityManagementTest.php

@@ -77,9 +77,7 @@ public function testUpdateTransferInstrument()
 
     public function testRequestPeriodicReview()
     {
-        $client = $this->createMockClientUrl(
-            null, 204
-        );
+        $client = $this->createMockClientUrl();
         $service = new LegalEntitiesApi($client);
         $service->requestPeriodicReview('LE322JV223222F5GVGMLNB83F');
         self::assertEquals(