[TODO] Improve test case flexibility

[zeryx]

The current test system is functional, as you can provide a payload and set a timeout - however that's not very expressive. This ticket explores the idea of using generalized "benchmark" algorithms that can test load against a particular algorithm with more control over test details such as ramp time, etc.

For an example of what that could look like:
https://github.com/algorithmiaio/algorithmia-TestBench/blob/main/algorithms/ParallelPipelining/src/ParallelPipelining.py