E2E test of validator ordering

[cmcewen]

Description

With the new round robin shuffle, we want to ensure that we have proper validator ordering and block distribution

Tested

This is a test

Related changes

Depends on: #1464

[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (master@111c353). Click here to learn what that means.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1472   +/-   ##
=========================================
  Coverage          ?   73.73%           
=========================================
  Files             ?      277           
  Lines             ?     7418           
  Branches          ?      660           
=========================================
  Hits              ?     5470           
  Misses            ?     1836           
  Partials          ?      112

Flag	Coverage Δ
#mobile	73.73% <ø> (?)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 111c353...a4b6f71. Read the comment docs.

[nategraf]

Thanks for writing this up! It was really helpful in finding the issues with the shuffle change.

I've left a couple of comments, and we should probably merge this after #1464