[ML Data Frame] Reenable muted integration tests #42373
Merged
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#42344 looks like catastrophic failures but the root cause was #42347.
The reason the pending tasks were not terminated is in the clean up code which would iterate over each data frame, stop it and assert that its state == stopped. #42347 meant that the state was reported incorrectly. If there was more than one data frame created in the test then others would not be stopped due to the assertion being thrown inside the for loop.
elasticsearch/x-pack/plugin/data-frame/qa/single-node-tests/src/test/java/org/elasticsearch/xpack/dataframe/integration/DataFrameRestTestCase.java
Line 306 in 7c503ce
I've changed the logic to stop all data frames before assert that they are in state stopped and re-enabled the tests as the root cause was fixed in #42347.
Closes #42344