assertEquals(1, channelInfo.getRequestsSent());
        assertEquals(1, channelInfo.getErrors());
        assertEquals(1.0, channelInfo.getErrorRate(), 0.01);
    }

    @Test
    void testPendingOperations() {
        assertEquals(0, channelInfo.getRequestsPending());
        assertTrue(channelInfo.getPendingOperations().isEmpty());

        channelInfo.addPendingOperation(mockOperation);