[AIRFLOW-6770] Run particular test using breeze CLI bug fix (#7396)
[AIRFLOW-6770] Run particular test using breeze CLI bug fix (#7396)

* [AIRFLOW-6770] Run particular test using breeze CLI bug fix

* [AIRFLOW-6770] Fix typo in travis config

* [AIRFLOW-6770] Fix variable name and remove unnecessary travis command

(cherry picked from commit a0fa964c5e128e3297e61826fae6e3d7a074a263)

owlabs/incubator-airflow,owlabs/incubator-airflow,owlabs/incubator-airflow,owlabs/incubator-airflow