spec/unit/mutant/mutator/node/while/mutation_spec.rb in mutant-0.3.0.beta21 vs spec/unit/mutant/mutator/node/while/mutation_spec.rb in mutant-0.3.0.beta22

@@ -1,10 +1,12 @@
+# encoding: utf-8
+
 require 'spec_helper'
 
 describe Mutant::Mutator::Node::While do
 
   context 'with more than one statement' do
-    let(:source) { "while true; foo; bar; end" }
+    let(:source) { 'while true; foo; bar; end' }
 
     let(:mutations) do
       mutations = []
       mutations << 'while true; bar; end'
       mutations << 'while true; foo; end'