dev #18087 orphea fix tests failures

library/Class/WebService/BibNumerique/Orphea.php

@@ -82,7 +82,7 @@ class Class_WebService_BibNumerique_Orphea extends Class_WebService_BibNumerique
 
 
 	public function harvestPage($unid, $page = 1, $total_records = '') {
-		if (!$this->getUNID()) {
+		if (!$this->getUNID($unid)) {
 			return ['error' => $this->unid_parser->getFullMessage()];
 		}
 
@@ -115,12 +115,14 @@ class Class_WebService_BibNumerique_Orphea extends Class_WebService_BibNumerique
 	}
 
 
-	protected function getUNID() {
+	protected function getUNID($unid = '') {
+		if(!$this->_unid)
+			$this->_unid = $unid;
+
 		if(!$this->_unid) {
 			$http_client = self::getHttpClient();
 			$content = $http_client->open_url($this->createSessionUrl());
-			if(!$this->_unid = $this->unid_parser->parseXML($content)->getUNID())
-				return '';
+			$this->_unid = $this->unid_parser->parseXML($content)->getUNID();
 		}
 
 		return $this->_unid;