Correct: the remaining 3 violations

spec/lib/guard/dsl_spec.rb

@@ -429,19 +429,19 @@ RSpec.describe Guard::Dsl do
           expect(opt[:callbacks].size).to eq 2
-          callback_0 = opt[:callbacks][0]
-          expect(callback_0[:events]).to eq :start_end
+          callback0 = opt[:callbacks][0]
+          expect(callback0[:events]).to eq :start_end
           plugin = instance_double('Guard::Plugin', title: 'RSpec')
-          result = callback_0[:listener].call(plugin, :start_end, 'foo')
+          result = callback0[:listener].call(plugin, :start_end, 'foo')
           expect(result).to eq 'RSpec executed \'start_end\' hook'\
             ' with foo!'
-          callback_1 = opt[:callbacks][1]
-          expect(callback_1[:events]).to eq %i[start_begin run_all_begin]
-          expect(callback_1[:listener]).to eq MyCustomCallback
+          callback1 = opt[:callbacks][1]
+          expect(callback1[:events]).to eq %i[start_begin run_all_begin]
+          expect(callback1[:listener]).to eq MyCustomCallback
         end
         evaluator.call(contents)

spec/lib/guard/guardfile/evaluator_spec.rb

@@ -37,7 +37,7 @@ RSpec.describe Guard::Guardfile::Evaluator do
           allow(dsl).to receive(:evaluate)
             .and_raise(Guard::Dsl::Error,
-                      'Invalid Guardfile, original error is:')
+                       'Invalid Guardfile, original error is:')
           expect { subject.evaluate }.to raise_error(Guard::Dsl::Error)
         end