e2e: Test the local Flux version
e2e: Test the local Flux version

https://github.com/fluxcd/flux/pull/2577 introduced a regression,
( at https://github.com/fluxcd/flux/pull/2577/files#diff-e76b06a8940cf68dbf66b91380d3dc28L58 )
causing the end-to-end tests to use the latest Flux release instead
of the local version.

weaveworks/flux,weaveworks/flux