Throw exception when no item is found by getItemByTypeName()

tests/src/autoload/functions.php

@@ -774,17 +774,17 @@ function loadDataset()
 /**
  * Test helper, search an item from its type and name
  *
- * @param string  $type
- * @param string  $name
- * @param boolean $onlyid
- * @return CommonDBTM|false the item, or its id
+ * @param string    $type
+ * @param string    $name
+ * @param bool      $onlyid
+ * @return CommonDBTM|int the item, or its id
  */
-function getItemByTypeName($type, $name, $onlyid = false)
+function getItemByTypeName(string $type, string $name, bool $onlyid = false): CommonDBTM|int
 {
     $item = getItemForItemtype($type);
     $nameField = $type::getNameField();
-    if ($item->getFromDBByCrit([$nameField => $name])) {
-        return ($onlyid ? $item->getField('id') : $item);
+    if (!$item->getFromDBByCrit([$nameField => $name])) {
+        throw new \RuntimeException(sprintf('Unable to load the `%s` item with the name `%s`.', $type, $name));
     }
-    return false;
+    return ($onlyid ? $item->getID() : $item);
 }