fix: handle alias different to name and default meta (#7)

Integration tests (#6)

* Add test project

* Add zendesk models and raw data

* Move mock project to mock dir

* Add behave steps

* Update mock test script

* Add expected outputs

* Update behave steps and feature

* Update features

* Add integration testing github action workflow

* Run dbt integration tests only on dbt >= 1.0

Depend on dbt_utils 0.8.*