Add entity test, to show text goes through literally

git-svn-id: https://svn.apache.org/repos/asf/lucene/solr/trunk@566294 13f79535-47bb-0310-9956-ffa450edef68

client/ruby/solr-ruby/test/functional/server_test.rb

@@ -199,6 +199,13 @@ class ServerTest < Test::Unit::TestCase
     response = @connection.send(request)
     assert_equal ["Apache >>Solr<<"], response.highlighted(1, :title_text)
   end
+  
+  def test_entities
+    @connection.add(:id => 1, :title_text => "&nbsp;")
+    response = @connection.query('nbsp')
+    assert_equal 1, response.total_hits
+    assert_equal '1', response.hits[0]['id']
+  end
 
   # wipe the index clean
   def clean