Update tests for the Modeler API module

Problem/Motivation

Remove tests that are moved to the Modeler API module in 📌 Move tests from the ECA module Postponed .

Update other tests for changes made in 📌 Remove code that is added to the Modeler API module Active .

Steps to reproduce

Proposed resolution

Remaining tasks

This issue is postponed on 📌 Remove code that is added to the Modeler API module Active .

User interface changes

API changes

Data model changes