adjust ripper spec for JRuby 9.1.x.x

Author: JonRowe

spec/rspec/support/ruby_features_spec.rb

@@ -141,11 +141,17 @@ module Support
                 end
               end
 
-              context '9.x.x.x', :if => JRUBY_VERSION.start_with?('9.') do
+              context '9.0.x.x', :if => JRUBY_VERSION.start_with?('9.0') do
                 it 'reports wrong line number' do
                   expect(line_number).to eq(2)
                 end
               end
+
+              context '9.1.x.x', :if => JRUBY_VERSION.start_with?('9.1') do
+                it 'is supported' do
+                  expect(line_number).to eq(1)
+                end
+              end
             end
           end
         end