rubocop: Fix more Style cops

[bastelfreak]

No description provided.

[codecov]

Codecov Report

Patch coverage: 73.33% and no project coverage change.

Comparison is base (db9f103) 74.65% compared to head (f1dfc34) 74.65%.

❗ Current head f1dfc34 differs from pull request most recent head f884a91. Consider uploading reports for the commit f884a91 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1792   +/-   ##
=======================================
  Coverage   74.65%   74.65%           
=======================================
  Files          81       81           
  Lines        4494     4494           
=======================================
  Hits         3355     3355           
  Misses       1139     1139           

Impacted Files	Coverage Δ
lib/beaker/dsl/helpers/web_helpers.rb	62.26% <0.00%> (ø)
lib/beaker/host/pswindows/exec.rb	54.05% <0.00%> (ø)
lib/beaker/host/unix/exec.rb	72.13% <0.00%> (ø)
lib/beaker/options/presets.rb	83.78% <ø> (ø)
lib/beaker/tasks/rake_task.rb	0.00% <0.00%> (ø)
lib/beaker/host/windows/exec.rb	56.25% <50.00%> (ø)
lib/beaker/ssh_connection.rb	59.64% <71.42%> (ø)
lib/beaker/test_suite_result.rb	66.07% <80.00%> (ø)
lib/beaker/cli.rb	84.04% <100.00%> (ø)
lib/beaker/dsl.rb	87.50% <100.00%> (ø)
... and 21 more

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[ekohl]

I'm not really used to %w[] and %i[] so I wonder if that's really better or if we should disable the cops for those. Thought I don't feel too strong about it and think it can be merged.

[bastelfreak]

I also don't have a strong opinion about it. My usual rule of thumb is: Follow upstream rubocop as much as possible.