Tweaks to satisfy RuboCop Performance 1.8.0 #458
Merged
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https://github.com/rubocop-hq/rubocop-performance/releases/tag/v1.8.0
Performance/CollectionLiteralInLoop caught some instances in tests.
Not all that important, but why not make tests use a tiny bit less
memory...
Note one of the changes, that in spec/integration_spec.rb doesn't
actually allocate less, it just naively satisfies the cop. Actually
moving the declaration outside of the loop would move it way far
from use and be less readable IMO.