Provide developers the capability to run a suite of integration tests against a real Grafana server

[mdb]

Is your feature request related to a problem?
In absence of integration tests, it's difficult to ensure against bugs like issue #56 .

Describe the solution you'd like
I'd like to be able to easily run a suite of integration tests that target a live, local Grafana server.

Describe alternatives you've considered
PR #15 offers a similar solution, though...

1. It's been open since 2018
2. It offers no clear capability for running the build, unit, and integration tests in isolation
3. I believe a more simple solution could suffice, at least as a first pass