assertTrue(successCount.get() > 0, "Should have some successful operations");
        assertTrue(failureCount.get() > 0, "Should have some failed operations");
    }

    @Test
    public void testHalfOpenMaxAttempts() throws Exception {
        // Open circuit
        circuitBreaker.trip();

        // Wait for reset timeout
        Thread.sleep(1100);

        // First success should transition to HALF_OPEN