migrate int tests to v3 schema, added cases for hints in schema

.../src/main/java/org/opengroup/osdu/common/RecordSteps.java

...a/org/opengroup/osdu/common/SchemaServiceRecordSteps.java

...re/src/main/java/org/opengroup/osdu/models/TestIndex.java

...e/src/main/java/org/opengroup/osdu/util/ElasticUtils.java

.../main/java/org/opengroup/osdu/util/IndexerClientUtil.java

...s/features/indexrecord/indexRecord-schema-service.feature

...in/resources/testData/r3-index_record_arrayofobjects.json

...urces/testData/r3-index_record_arrayofobjects.schema.json

...g/opengroup/osdu/step_definitions/index/record/Steps.java