return serverMessage;
    }

    /**
     * Get elapsed time since operation started
     *
     * @return elapsed time in milliseconds
     */
    public long getElapsedTime() {
        return System.currentTimeMillis() - operationStartTime;
    }

    /**
     * Check if this is a network-related error
     *
     * @return true if network error
     */

        // When
        Thread.sleep(100);

        // Then
        assertTrue(exception.getElapsedTime() >= 100);
        assertTrue(exception.getElapsedTime() < 200);
    }

    @Test
    @DisplayName("Should create retry exception correctly")
    void testRetryException() {
        // Given