Makefile: more verbose output for e2e-tests

[marquiz]

Also fixes some indentation,

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[ArangoGutierrez]

/lgtm

[k8s-ci-robot]

LGTM label has been added.

Git tree hash: 6fd8d25ebc95a7332488a67c50095c4e37ded4dc

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: ArangoGutierrez, marquiz

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[codecov]

Codecov Report

Merging #1498 (c04e022) into master (794630f) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1498   +/-   ##
=======================================
  Coverage   30.66%   30.66%           
=======================================
  Files          58       58           
  Lines        7571     7571           
=======================================
  Hits         2322     2322           
  Misses       4998     4998           
  Partials      251      251