final boolean result = helper.tryStartOperation("test_op", null, 0);
        assertFalse(result);
        assertFalse(cleanupCalled.get());
    }

    @Test
    public void test_tryStartOperation_retryNegative_skipsCleanup() {
        final AtomicBoolean cleanupCalled = new AtomicBoolean(false);
        final CoordinatorHelper helper = createRetryTestHelper(cleanupCalled, null, null, null, false);