fix flaky test in JSONRegionAdviceIntegrationTests #132
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In
org.springframework.data.gemfire.serialization.json.JSONRegionAdviceIntegrationTests, the testsobjectToJSon(),templateFind(),templateFindUnique(),templateQuery()are all flaky due to the non-deterministic property ofgetDeclatedFields()(please refer document), which is used in serialization oforg.apache.geode.cache.Regionandcom.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(). I fixed it by adding @JsonPropertyOrder annotation to fix fix its order of properties during serialization of putting into Region, and addingMapperFeature.SORT_PROPERTIES_ALPHABETICALLYto make the mapper in alphabetical order.