Apologies about assigning this to core, but 'flaky-test-handler' is not in the list of components that I can assign to.

A number of other bugs relating to this change have been recorded against other plugins:

JENKINS-24478 and JENKINS-25405

ERROR: Publisher com.google.jenkins.flakyTestHandler.plugin.JUnitFlakyResultArchiver aborted due to exception
java.lang.NoSuchMethodError: hudson.model.AbstractBuild.getTestResultAction()Lhudson/tasks/test/AbstractTestResultAction;
at com.google.jenkins.flakyTestHandler.plugin.FlakyTestResultAction.<init>(FlakyTestResultAction.java:78)
at com.google.jenkins.flakyTestHandler.plugin.JUnitFlakyResultArchiver.perform(JUnitFlakyResultArchiver.java:89)
at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
at hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:770)
at hudson.model.AbstractBuild$AbstractBuildExecution.performAllBuildSteps(AbstractBuild.java:734)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.post2(MavenModuleSetBuild.java:1037)
at hudson.model.AbstractBuild$AbstractBuildExecution.post(AbstractBuild.java:683)
at hudson.model.Run.execute(Run.java:1784)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:529)
at hudson.model.ResourceController.execute(ResourceController.java:89)
at hudson.model.Executor.run(Executor.java:240)