[TEST] exclude org.elasticsearch.test.test package from test-jar
[TEST] exclude org.elasticsearch.test.test package from test-jar

The package was only excluded during test-jar sources generation but ended up in the actual jar.

fubuki/elasticsearch,aparo/elasticsearch,fubuki/elasticsearch,aparo/elasticsearch,fubuki/elasticsearch,aparo/elasticsearch,fubuki/elasticsearch,aparo/elasticsearch,fubuki/elasticsearch,fubuki/elasticsearch,aparo/elasticsearch,aparo/elasticsearch