fix code style

Author: toy

.rubocop.yml

@@ -6,6 +6,9 @@ AllCops:
 Lint/EndAlignment:
   AlignWith: variable
 
+Lint/UnneededSplatExpansion:
+  Enabled: false
+
 Metrics/AbcSize:
   Max: 30
 

spec/spec_helper.rb

@@ -51,12 +51,11 @@ def mepp(image_a, image_b)
     2>&1
   ].join(' ')
   output = ImageOptim::Cmd.capture(command)
-  if [0, 1].include?($CHILD_STATUS.exitstatus)
-    num_r = '\d+(?:\.\d+(?:[eE][-+]?\d+)?)?'
-    output[/\((#{num_r}), #{num_r}\)/, 1].to_f
-  else
+  unless [0, 1].include?($CHILD_STATUS.exitstatus)
     fail "compare #{image_a} with #{image_b} failed with `#{output}`"
   end
+  num_r = '\d+(?:\.\d+(?:[eE][-+]?\d+)?)?'
+  output[/\((#{num_r}), #{num_r}\)/, 1].to_f
 end
 
 RSpec::Matchers.define :be_smaller_than do |expected|