fixing the teardown order of the TC to avoid fixture errors during the
test execution, also, added some top-level constants to keep track
in the future and some minor refactors when checking if the k8s
dashboard pods are really running.
Change-Id: I965db94d66dbed5b8274d0eca77ffbf3951b855c
Signed-off-by: Gabriel Calixto de Paula <gabrielcalixto9@gmail.com>
f119741d0a