[Fix] The test for the expected error message to be shown to the user (#1074)

Verify Automatically Detects a Group Selected Is Removed and Notify the User

The error message is now changed so it matches reality brought in by [1]

[1] opendatahub-io/odh-dashboard#270

Author: jstourac

ods_ci/tests/Tests/400__ods_dashboard/413__ods_dashboard_user_mgmt.robot

@@ -79,13 +79,15 @@ Verify Automatically Detects a Group Selected Is Removed and Notify the User
     [Tags]  ODS-1686
     ...     Tier1
     ...     Sanity
-    Create Group  new-group-test
+    ${new_group_name}=    Set Variable    new-group-test
+    Create Group  ${new_group_name}
     Launch Dashboard And Check User Management Option Is Available For The User   ${TEST_USER.USERNAME}   ${TEST_USER.PASSWORD}  ${TEST_USER.AUTH_TYPE}
-    Add OpenShift Groups To Data Science Administrators     new-group-test
+    Add OpenShift Groups To Data Science Administrators     ${new_group_name}
     Save Changes In User Management Setting
-    Delete Group  new-group-test
+    Delete Group    ${new_group_name}
     Reload Page
-    Wait Until Page Contains    Group no longer exist   timeout=20s
+    Wait Until Page Contains    Group error   timeout=20s
+    Wait Until Page Contains    The group ${new_group_name} no longer exists   timeout=20s
 
 
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