This test is creating over 1G of log output which is causing CI to hang when parsing results.
server/src/test/java/org/elasticsearch/common/logging/JULBridgeTests.java
Throwable thrown = event.getThrown();
                matched = event.getLoggerName().equals("")
                    && event.getMessage().getFormattedMessage().equals("error msg")
                    && thrown != null
                    && thrown.getMessage().equals("some error");
            }
            @Override
            public void assertMatched() {
                assertThat("expected to see error message but did not", matched, equalTo(true));
            }
        });
    }
    public void testChildLogger() {
        JULBridge.install();
        java.util.logging.Logger childLogger = java.util.logging.Logger.getLogger("foo");
        assertLogged(() -> childLogger.info("child msg"), new SeenEventExpectation("child msg", "foo", Level.INFO, "child msg"));
    }
    public void testNullMessage() {
        JULBridge.install();
        assertLogged(() -> logger.info((String) null), new SeenEventExpectation("null msg", "", Level.INFO, "<null message>"));
    }
    public void testFormattedMessage() {
        JULBridge.install();
        assertLogged(
            () -> logger.log(java.util.logging.Level.INFO, "{0}", "a var"),
            new SeenEventExpectation("formatted msg", "", Level.INFO, "a var")
        );
    }
}