rubocop: fix style violations

[bastelfreak]

No description provided.

[codecov]

Codecov Report

Patch coverage: 72.43% and project coverage change: +1.07 🎉

Comparison is base (86d2b3c) 78.19% compared to head (44c6dcc) 79.26%.

❗ Current head 44c6dcc differs from pull request most recent head 85c582c. Consider uploading reports for the commit 85c582c to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #220      +/-   ##
==========================================
+ Coverage   78.19%   79.26%   +1.07%     
==========================================
  Files          15       15              
  Lines        1605     1548      -57     
==========================================
- Hits         1255     1227      -28     
+ Misses        350      321      -29     

Impacted Files	Coverage Δ
lib/beaker-puppet/helpers/rake_helpers.rb	60.00% <0.00%> (ø)
lib/beaker-puppet/install_utils/aio_defaults.rb	25.00% <0.00%> (ø)
lib/beaker-puppet/install_utils/foss_defaults.rb	58.97% <47.36%> (ø)
lib/beaker-puppet/install_utils/foss_utils.rb	71.23% <65.00%> (+1.10%)	⬆️
lib/beaker-puppet/helpers/tk_helpers.rb	71.42% <66.66%> (-1.91%)	⬇️
lib/beaker-puppet/install_utils/puppet_utils.rb	80.41% <72.72%> (+3.26%)	⬆️
lib/beaker-puppet/helpers/puppet_helpers.rb	87.45% <82.97%> (+0.96%)	⬆️
lib/beaker-puppet/install_utils/puppet5.rb	93.26% <90.00%> (+0.74%)	⬆️
lib/beaker-puppet/install_utils/windows_utils.rb	85.71% <90.00%> (+4.17%)	⬆️
lib/beaker-puppet/install_utils/module_utils.rb	95.65% <92.85%> (+0.75%)	⬆️
... and 3 more

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.