The tests assume the Service Catalog and Minibroker are already deployed. A namespace for deploying
the service instances is also required to be created ahead of time.
Environment variables:
NAMESPACE (required): the namespace used by Minibroker to provision the service instances.
TEST_BROKER_READY_TIMEOUT (optional): a timeout for waiting for the service broker to be ready.
TEST_PROVISION_TIMEOUT (optional): a timeout for waiting for the provisioning to complete.
TEST_BIND_TIMEOUT (optional): a timeout for waiting for the binding to complete.
TEST_ASSERT_TIMEOUT (optional): a timeout for waiting for the assertion to complete.