private static void assertValue(Object value) {
        Properties props = new Properties();
        props.put("key", value);
        assertEquals(Utils.propsToMap(props).get("key"), value);
    }
Expectation setter for multiple reads where each one reads random bytes to the buffer.

@param channelMock           The mocked FileChannel object
@param bufferSize            The buffer size
@return Expected buffer string
@throws IOException          If an I/O error occurs
clients/src/test/java/org/apache/kafka/common/utils/UtilsTest.java