Rename tests to have consistent naming

[reidsunderland]

Old	New
sr_insects Flow Tests	Flow Tests / AMQP
sr_insects Flow Tests using AMQP Consumer	Flow Tests / AMQP Consumer
Sr3 sr_insects Flow Tests using MQTT	Flow Tests / MQTT
Flow Tests (with Redis).	Flow Tests / Redis

I also removed test from the name of each job (e.g. "static_flow on ubuntu-22.04" instead of "static_flow test on ubuntu-22.04") to save a bit more space. (Now that I look at the list, maybe on should be changed to / too?)

I used / as the separator, because that's what GitHub uses to separate in the list (shown below). The list of checks isn't sorted in any obvious way but I think this change still helps organize the tests.