Update test_contracts_api.test_offering_sync_matches_product_tags_on_level to create the mock for /mock/product/engproducts/sku=testAnsible
Note: the producttree is already mocked out.

Consider creating a PR check that uses the local profile to verify local tests continue to pass.

Local test setup: https://inscope.corp.redhat.com/docs/default/Component/swatch-internal-docs/IQE/IQE%20local%20setup/

Acceptance criteria: The following should pass: `iqe tests plugin rhsm_subscriptions -k test_offering_sync_matches_product_tags_on_level`