$contribution = $this->callAPISuccess('contribution', 'create', $params);
$contribution = $this->callAPISuccessGetSingle('contribution', array('id' => $contribution['id']));
$this->assertEquals(date('Y-m-d'), date('Y-m-d', strtotime($contribution['receive_date'])));
$contribution = $this->callAPISuccess('contribution', 'create', $params);
$contribution = $this->callAPISuccessGetSingle('contribution', array('id' => $contribution['id']));
$this->assertEquals(date('Y-m-d'), date('Y-m-d', strtotime($contribution['receive_date'])));