Timing issue with aliases and index status

expected_output_0.20.6

{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}
[u'test.1.1']
[u'test.1.1']
{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}
[u'test.1.2']
[u'test.1.2']
{"ok":true,"acknowledged":true}%

test.sh

curl -XPUT 'http://localhost:9200/test.1.1'
curl -XPOST 'http://localhost:9200/_aliases' -d '
{
    "actions" : [
        { "add" : { "index" : "test.1.1", "alias" : "test.write" } }
    ]
}'
curl -XPOST 'http://localhost:9200/_aliases' -d '
{
    "actions" : [
        { "add" : { "index" : "test.1.1", "alias" : "test.read" } }
    ]
}'
curl -XGET 'localhost:9200/test.write/_status' | python -c "import json; import sys; x = json.load(sys.stdin); print x['indices'].keys()"
curl -XGET 'localhost:9200/test.read/_status' | python -c "import json; import sys; x = json.load(sys.stdin); print x['indices'].keys()"
curl -XPUT 'http://localhost:9200/test.1.2'
curl -XPOST 'http://localhost:9200/_aliases' -d '
{
    "actions" : [
        { "remove" : { "index" : "test.1.1", "alias" : "test.write" } },
        { "add" : { "index" : "test.1.2", "alias" : "test.write" } }
    ]
}'
curl -XPOST 'http://localhost:9200/_aliases' -d '
{
    "actions" : [
        { "remove" : { "index" : "test.1.1", "alias" : "test.read" } },
        { "add" : { "index" : "test.1.2", "alias" : "test.read" } }
    ]
}'
curl -XGET 'localhost:9200/test.write/_status' | python -c "import json; import sys; x = json.load(sys.stdin); print x['indices'].keys()"
curl -XGET 'localhost:9200/test.read/_status' | python -c "import json; import sys; x = json.load(sys.stdin); print x['indices'].keys()"
curl -XDELETE 'http://localhost:9200/_all'

unexpected_output_0.90

./test_es.sh
{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}
[u'test.1.1']
[u'test.1.1']
{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}{"ok":true,"acknowledged":true}
[]
[]
{"ok":true,"acknowledged":true}