Rename suite variable `${broker}` into `${BROKER}`

@@ -60,7 +60,7 @@ Set Suite Variable With Default Value
 
 
 Завантажуємо дані про користувачів і майданчики
-  Log  ${broker}
+  Log  ${BROKER}
   Log  ${role}
   # Suite variable; should be present in every test suite
   # in `*** Variables ***` section
@@ -89,7 +89,7 @@ Set Suite Variable With Default Value
   ...      WARN
   Set Suite Variable With Default Value
   ...      ${role}
-  ...      ${BROKERS['${broker}'].roles.${role}}
+  ...      ${BROKERS['${BROKER}'].roles.${role}}
 
   # Set default value for each role if it is not set yet;
   # fill `used_users`;

 *** Variables ***
 ${API_HOST_URL}  https://lb.api-sandbox.openprocurement.org
 ${API_VERSION}   2.3
-${broker}        Quinta
+${BROKER}        Quinta
 ${role}          viewer