Small refact on FSM's testcase finish logic

Cleaned up /test_coordinator py files
Status Job ID Name Coverage
  External
passed BUILD CoAP docker images (testing tools and automated-iuts)

00:11:19

canceled BUILD lwm2m docker images

00:07:07

passed Docker run

01:34:36

passed Functional tests / AMQP API smoke tests

00:01:19

passed Install python dependencies

00:01:22

passed RUN all interop tests in the cloud

01:34:40

passed Testing Tool dependencies

00:00:26

passed test description (yaml files) validation

00:00:23

passed unittesting components

00:02:42

passed Install python dependencies

00:01:12