Highlighting not working in ES 0.90.6/7

gistfile1.txt

curl -s -X DELETE "http://localhost:9200/test_highlight" > /dev/null
curl -s -X PUT "http://localhost:9200/test_highlight" -d '
{
  "settings" : {
    "index": {
      "number_of_shards" : 1,
      "analysis": {
        "analyzer": {
          "icu_analyzer" : {
             "type": "custom",
             "tokenizer": "icu_tokenizer",
             "filter": ["icu_folding", "edge_ngram"]
          }
        }
      }
    }
  }
}
' > /dev/null
curl -s -X PUT "http://localhost:9200/test_highlight/test1/_mapping" -d '
{
  "test1": {
   "properties" : {
     "myfield" : { "type" : "string", "analyzer" : "icu_analyzer" }
    }
  }
}
' > /dev/null
curl -s -X PUT "http://localhost:9200/test_highlight/test1/1" -d '
{
  "myfield": "some text to highlight"
}
' > /dev/null
sleep 1
curl -s -X PUT "http://localhost:9200/test_highlight/test2/_mapping" -d '
{
  "test2": {
    "properties" : {
      "myfield" : { "type" : "string", "analyzer" : "icu_analyzer", "index_options" : "offsets" }
    }
  }
}
' > /dev/null
curl -s -X PUT "http://localhost:9200/test_highlight/test2/1" -d '
{
  "myfield": "some text to highlight"
}
' > /dev/null
sleep 1
curl -s -X PUT "http://localhost:9200/test_highlight/test3/_mapping" -d '
{
  "test3": {
    "properties" : {
      "myfield" : { "type" : "string", "analyzer" : "icu_analyzer", "term_vector": "with_positions_offsets" }
    }
  }
}
'
curl -s -X PUT "http://localhost:9200/test_highlight/test3/1" -d '
{
  "myfield": "some text to highlight"
}
' > /dev/null
sleep 1
echo 'Normal highlighter'
curl -s -X POST "http://localhost:9200/test_highlight/test1/_search" -d '
{
  "query": { "match": { "myfield": "te" } },
  "highlight": { "fields": { "myfield": {} } }
}
'| python -mjson.tool
echo 'Postings highlighter'
curl -s -X POST "http://localhost:9200/test_highlight/test2/_search" -d '
{
  "query": { "match": { "test2.myfield": "te" } },
  "highlight": { "fields": { "myfield": {"type" : "postings"} } }
}
'| python -mjson.tool
echo 'Fast vector highlighter'
curl -s -X POST "http://localhost:9200/test_highlight/test3/_search" -d '
{
  "query": { "match": { "myfield": "te" } },
  "highlight": { "fields": { "myfield": {"type" : "fvh"} } }
}
'| python -mjson.tool