# File lib/rr/injections/double_injection.rb, line 77
        def reset_double(subject_class, method_name)
          double_injection = Injections::DoubleInjection.instances[subject_class].delete(method_name)
          double_injection.reset
          Injections::DoubleInjection.instances.delete(subject_class) if Injections::DoubleInjection.instances[subject_class].empty?
        end