We have a bunch of different tests for Sahara.
In most Sahara sub repositories we have _package_/tests/unit or _package_/tests that contains Python unit tests.
New scenario integration tests were implemented in Sahara, you can see how use and run it here: sahara/tests/scenario/README.rst
We have some tests in Tempest (https://github.com/openstack/tempest) that are testing Sahara. Here is a list of currently implemented tests: