Adds tests.
Changes instance into a constructor

Adds tests for environments component

Adds tests assertations

Adds external URL test

Adds tests for Rollback component

Adds tests for stop component

Adds tests for actions component
Fix environment item

Init environment item tests

Adds commit component

Fixes some tests

Fixes deployment id to show the internal one

Manual actions are accessible from:
- Pipelines
- Builds
- Environments
- Deployments