Upload change document

@@ -1338,11 +1338,11 @@ Library  openprocurement_client.utils
 
 Додати документацію до зміни в договорі
   [Arguments]  ${username}  ${contract_uaid}  ${document}
-  ${internalid}=  openprocurement_client.Отримати internal id по UAid для договору  ${username}  ${contract_uaid}
-  ${reply_doc_create}=  Call Method  ${USERS.users['${username}'].contracting_client}  upload_document  ${document}  ${internalid}  ${USERS.users['${username}'].contract_access_token}
-  ${data}=  Create Dictionary  documentOf=change  relatedItem=${USERS.users['${username}'].changes[0].data.id}
-  ${data}=  Create Dictionary  data=${data}
-  ${reply_doc_patch}=  Call Method  ${USERS.users['${username}'].contracting_client}  patch_document  ${internalid}  ${reply_doc_create.data.id}  ${USERS.users['${username}'].contract_access_token}  ${data}
+  ${contract}=  openprocurement_client.Пошук договору по ідентифікатору  ${username}  ${contract_uaid}
+  ${contract}=  set_access_key  ${contract}  ${USERS.users['${username}'].contract_access_token}
+  ${reply_doc_create}=  Call Method  ${USERS.users['${username}'].contracting_client}  upload_document  ${document}  ${contract}
+  ${change_document}=  test_change_document_data  ${reply_doc_create}  ${USERS.users['${username}'].changes[0].data.id}
+  ${reply_doc_patch}=  Call Method  ${USERS.users['${username}'].contracting_client}  patch_document  ${contract}  ${change_document}
   Log  ${reply_doc_create}
   Log  ${reply_doc_patch}
 

@@ -441,6 +441,10 @@ def test_lot_document_data(document, lot_id):
     document.data.update({"documentOf": "lot", "relatedItem": lot_id})
     return munchify(document)
 
+def test_change_document_data(document, change_id):
+    document.data.update({"documentOf": "change", "relatedItem": change_id})
+    return munchify(document)
+
 
 def test_tender_data_openua(params, submissionMethodDetails):
     # We should not provide any values for `enquiryPeriod` when creating

@@ -49,6 +49,7 @@ from .initial_data import (
     test_tender_data_planning,
     create_fake_title,
     create_fake_value_amount,
+    test_change_document_data,
 )
 from barbecue import chef
 from restkit import request