Uppercase token filter not being correcly registerred?

es_uppercase_bug_curl_session.sh

#!/bin/bash

export ELASTICSEARCH_ENDPOINT="http://localhost:9200"

# Create indexes

# DELETE indexes consecutive tests
curl -XDELETE "$ELASTICSEARCH_ENDPOINT/play"

curl -XPUT "$ELASTICSEARCH_ENDPOINT/play" -d '{
    "settings": {
        "analysis": {
            "analyzer": {
                "my_analyzer": {
                    "tokenizer": "keyword",
                    "filter": [
                        "standard",
                        "uppercase"
                    ]
                }
            }
        }
    },
    "mappings": {
        "user": {
            "properties": {
                "name": {
                    "type": "string"
                },
                "status": {
                    "type": "string",
                    "analyzer": "my_analyzer"
                }
            }
        }
    }
}'

# Index documents
curl -XPOST "$ELASTICSEARCH_ENDPOINT/_bulk?refresh=true" -d '
{"index":{"_index":"play","_type":"user"}}
{"name":"schmitt","status":"vaLID"}
{"index":{"_index":"play","_type":"user"}}
{"name":"schmidt","status":"invaLID"}
{"index":{"_index":"play","_type":"user"}}
{"name":"mandelbaum"}
{"index":{"_index":"play","_type":"user"}}
{"name":"robertson","status":"invaLID"}
{"index":{"_index":"play","_type":"user"}}
{"name":"ramirez","status":"invaLID"}
'

# Do searches

curl -XPOST "$ELASTICSEARCH_ENDPOINT/_search?pretty" -d '
{
    "query": {
        "term": {
            "status": "VALID"
        }
    }
}
'