TE-779

The latest release of rednose will allow for output of the
flaky test repoort. (It was being swallowed in rednose 0.3)

Here is the diff: https://github.com/gfxmonk/rednose/compare/version-0.3.1...version-0.4.1
Here is likely the commit we care about most: https://github.com/gfxmonk/rednose/commit/c66b37c92bb02ad8c16cabe7863cf6cb50c70adc