subject_spec.rb in mutant-0.8.17

- old
+ new

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 RSpec.describe Mutant::Subject do
   let(:class_under_test) do
     Class.new(described_class) do
       def expression
         Mutant::Expression::Namespace::Exact.new(scope_name: 'SubjectA')