Use new functions instead of using keywords

Also, add roles in suites where needed.

Author: annawzz

op_robot_tests/tests_files/auction.robot

@@ -7,16 +7,17 @@ Suite Teardown  Test Suite Teardown
 
 
 *** Variables ***
-@{USED_ROLES}   viewer
+@{USED_ROLES}   viewer  tender_owner  provider  provider1
 
 
 *** Test Cases ***
 Можливість знайти лот по ідентифікатору
   [Tags]   ${USERS.users['${viewer}'].broker}: Пошук лоту
   ...      ${USERS.users['${viewer}'].broker}
   ...      find_tender  level1
-  Завантажити дані про тендер
-  Run As  ${viewer}  Пошук тендера по ідентифікатору   ${TENDER['TENDER_UAID']}
+  load_tender_data  artifact.yaml
+  :FOR  ${username}  IN  ${viewer}  ${tender_owner}  ${provider}  ${provider1}
+  \   ${resp}=  Run As  ${username}  Пошук тендера по ідентифікатору   ${TENDER['TENDER_UAID']}
 
 ##############################################################################################
 #             AUCTION

op_robot_tests/tests_files/contract_signing.robot

@@ -5,7 +5,7 @@ Suite Setup     Test Suite Setup
 Suite Teardown  Test Suite Teardown
 
 *** Variables ***
-@{USED_ROLES}   tender_owner  viewer
+@{USED_ROLES}   tender_owner  viewer  provider  provider1
 
 
 *** Test Cases ***
@@ -14,8 +14,8 @@ Suite Teardown  Test Suite Teardown
   ...      viewer  tender_owner
   ...      ${USERS.users['${viewer}'].broker}  ${USERS.users['${tender_owner}'].broker}
   ...      find_tender  level1
-  Завантажити дані про тендер
-  :FOR  ${username}  IN  ${viewer}  ${tender_owner}
+  load_tender_data  artifact.yaml
+  :FOR  ${username}  IN  ${viewer}  ${tender_owner}  ${provider}  ${provider1}
   \   Run As  ${username}  Пошук тендера по ідентифікатору   ${TENDER['TENDER_UAID']}
 
 ##############################################################################################

op_robot_tests/tests_files/keywords.robot

@@ -25,7 +25,7 @@ Test Suite Setup
 
 Test Suite Teardown
   Close all browsers
-  Run Keyword And Ignore Error  Створити артефакт
+  create_artifact
 
 
 Set Suite Variable With Default Value

op_robot_tests/tests_files/qualification.robot

@@ -19,8 +19,8 @@ ${award_index}      ${0}
   ...      viewer  tender_owner
   ...      ${USERS.users['${viewer}'].broker}  ${USERS.users['${tender_owner}'].broker}
   ...      find_tender  level1
-  Завантажити дані про тендер
-  :FOR  ${username}  IN  ${viewer}  ${tender_owner}
+  load_tender_data  artifact.yaml
+  :FOR  ${username}  IN  ${viewer}  ${tender_owner}  ${provider}  ${provider1}
   \   ${resp}=  Run As  ${username}  Пошук тендера по ідентифікатору   ${TENDER['TENDER_UAID']}