REPRODUCE WITH: ./gradlew :server:test \
  -Dtests.seed=4077509E4F46A969 \
  -Dtests.class=org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateRequestTests \
  -Dtests.method="testFromXContent" \
  -Dtests.security.manager=true \
  -Dtests.locale=en-CC \
  -Dtests.timezone=US/Pacific-New

10:35:30    > Throwable #1: java.lang.AssertionError: 
10:35:30    > Expected: <[org.elasticsearch.action.admin.indices.alias.Alias@df79bfbc, org.elasticsearch.action.admin.indices.alias.Alias@6d4376, org.elasticsearch.action.admin.indices.alias.Alias@d8ddcb43]>
10:35:30    >      but: was <[org.elasticsearch.action.admin.indices.alias.Alias@6d4376, org.elasticsearch.action.admin.indices.alias.Alias@d9ea79d7, org.elasticsearch.action.admin.indices.alias.Alias@d8ddcb43]>
10:35:30    > 	at __randomizedtesting.SeedInfo.seed([4077509E4F46A969:611F6586C6E149B3]:0)
10:35:30    > 	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
10:35:30    > 	at org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateRequestTests.assertEqualInstances(PutIndexTemplateRequestTests.java:189)
10:35:30    > 	at org.elasticsearch.action.admin.indices.template.put.PutIndexTemplateRequestTests.assertEqualInstances(PutIndexTemplateRequestTests.java:48)