./gradlew :qa:mixed-cluster:v5.6.0#mixedClusterTestRunner -Dtests.seed=50C77143AD9C6ABC -Dtests.class=org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT -Dtests.method="test {p0=update/11_shard_header/Update check shard header}" -Dtests.security.manager=true -Dtests.locale=es-CL -Dtests.timezone=Asia/Atyrau -Dcompiler.java=12 -Druntime.java=8

FAILURE 0.30s | MixedClusterClientYamlTestSuiteIT.test {p0=update/11_shard_header/Update check shard header} <<< FAILURES!
   > Throwable #1: java.lang.AssertionError: Failure at [update/11_shard_header:23]: got unexpected warning header [
   > 	299 Elasticsearch-6.8.1-SNAPSHOT-8c087df "Usage of internal versioning for optimistic concurrency control is deprecated and will be removed. Please use the `if_seq_no` and `if_primary_term` parameters instead. (request for index [foobar], type [baz], id [1])"
   > ]
   > 	at __randomizedtesting.SeedInfo.seed([50C77143AD9C6ABC:D8934E9903600744]:0)
   > 	at org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase.executeSection(ESClientYamlSuiteTestCase.java:412)
   > 	at org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase.test(ESClientYamlSuiteTestCase.java:389)
   > 	at java.lang.Thread.run(Thread.java:748)
   > Caused by: java.lang.AssertionError: got unexpected warning header [
   > 	299 Elasticsearch-6.8.1-SNAPSHOT-8c087df "Usage of internal versioning for optimistic concurrency control is deprecated and will be removed. Please use the `if_seq_no` and `if_primary_term` parameters instead. (request for index [foobar], type [baz], id [1])"
   > ]
   > 	at org.elasticsearch.test.rest.yaml.section.DoSection.checkWarningHeaders(DoSection.java:330)
   > 	at org.elasticsearch.test.rest.yaml.section.DoSection.execute(DoSection.java:258)
   > 	at org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase.executeSection(ESClientYamlSuiteTestCase.java:405)
   > 	... 37 more

REPRODUCE WITH: ./gradlew :qa:mixed-cluster:v5.6.0#mixedClusterTestRunner -Dtests.seed=50C77143AD9C6ABC -Dtests.class=org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT -Dtests.method="test {p0=update/60_refresh/refresh=wait_for waits until changes are visible in search}" -Dtests.security.manager=true -Dtests.locale=es-CL -Dtests.timezone=Asia/Atyrau -Dcompiler.java=12 -Druntime.java=8

FAILURE 1.16s | MixedClusterClientYamlTestSuiteIT.test {p0=update/60_refresh/refresh=wait_for waits until changes are visible in search} <<< FAILURES!
   > Throwable #1: java.lang.AssertionError: Failure at [update/60_refresh:99]: got unexpected warning header [
   > 	299 Elasticsearch-6.8.1-SNAPSHOT-8c087df "Usage of internal versioning for optimistic concurrency control is deprecated and will be removed. Please use the `if_seq_no` and `if_primary_term` parameters instead. (request for index [update_60_refresh_1], type [test], id [update_60_refresh_id1])"
   > ]
   > 	at __randomizedtesting.SeedInfo.seed([50C77143AD9C6ABC:D8934E9903600744]:0)
   > 	at org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase.executeSection(ESClientYamlSuiteTestCase.java:412)
   > 	at org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase.test(ESClientYamlSuiteTestCase.java:389)
   > 	at java.lang.Thread.run(Thread.java:748)
   > Caused by: java.lang.AssertionError: got unexpected warning header [
   > 	299 Elasticsearch-6.8.1-SNAPSHOT-8c087df "Usage of internal versioning for optimistic concurrency control is deprecated and will be removed. Please use the `if_seq_no` and `if_primary_term` parameters instead. (request for index [update_60_refresh_1], type [test], id [update_60_refresh_id1])"
   > ]
   > 	at org.elasticsearch.test.rest.yaml.section.DoSection.checkWarningHeaders(DoSection.java:330)
   > 	at org.elasticsearch.test.rest.yaml.section.DoSection.execute(DoSection.java:258)
   > 	at org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase.executeSection(ESClientYamlSuiteTestCase.java:405)
   > 	... 37 more