in testDuration-server/src/main/java/org/jetbrains/teamcity/testDuration/TestDurationFailureCondition.java [184:190]
private void compareTestDurations(@NotNull WatchdogSettings settings, @NotNull SBuild etalon, @NotNull SRunningBuild build) {
List<SFinishedBuild> referenceBuilds = getBuildsBetween(etalon, build);
if (!referenceBuilds.isEmpty()) {
processTests(settings, build, referenceBuilds);
}
}