Fix url check in tender without lots

@@ -61,19 +61,19 @@ Library  openprocurement_client_helper.py
 Отримати посилання на аукціон для глядача
   [Arguments]  ${username}  ${tender_uaid}  ${lot_id}=${Empty}
   ${tender}=  openprocurement_client.Пошук тендера по ідентифікатору  ${username}  ${tender_uaid}
-  ${lots}=  get_object_by_id  ${tender.data}  ${lot_id}  lots  id
-  ${auctionUrl}=  Get Variable Value  ${lots['auctionUrl']}
-  [return]  ${auctionUrl}
+  ${object_with_url}=  get_object_by_id  ${tender.data}  ${lot_id}  lots  id
+  Log  ${object_with_url}
+  ${auctionUrl}=  Get Variable Value  ${object_with_url['auctionUrl']}
+  [Return]  ${auctionUrl}
 
 
 Отримати посилання на аукціон для учасника
   [Arguments]  ${username}  ${tender_uaid}  ${relatedLot}=${Empty}
   ${bid}=  openprocurement_client.Отримати пропозицію  ${username}  ${tender_uaid}
-  Log  ${bid}
-  ${lot_Values}=  get_object_by_id  ${bid.data}  ${relatedLot}  lotValues  relatedLot
-  ${participationUrl}=  Get Variable Value  ${lot_Values['participationUrl']}
-  Log  ${participationUrl}
-  [return]  ${participationUrl}
+  ${object_with_url}=  get_object_by_id  ${bid.data}  ${relatedLot}  lotValues  relatedLot
+  Log  ${object_with_url}
+  ${participationUrl}=  Get Variable Value  ${object_with_url['participationUrl']}
+  [Return]  ${participationUrl}
 
 ##############################################################################
 #             Tender operations

@@ -473,21 +473,22 @@ def get_object_by_id(data, given_object_id, slice_element, object_id):
         slice_element: what path should be extracted (e.g. from { key: val } extract key )
         object_id: what property is id (e.g. from { id: 1, name: 2 } extract id)
     """
-    sliced_object = data[slice_element]
-    # Slice the given object, e.g. slice bid object to lotValues object
 
-    if not sliced_object:
+    # Slice the given object, e.g. slice bid object to lotValues object
+    try:
+        sliced_object = data[slice_element]
+    except KeyError:
         return data
 
+    # If there is one sliced object, get the 1st element
     if len(sliced_object) == 1:
         return sliced_object[0]
-    # If there is one sliced object, get the 1st element
 
+    # Compare given object id and id from sliced object
     for index, element in enumerate(sliced_object):
         element_id = element[object_id]
         if element_id == given_object_id:
             return element
-    # Compare given object id and id from sliced object
 
     return sliced_object[0]