testBlock.setCommand(commands[i]);
                String result = testBlock.toString();
                assertTrue(result.contains("command=" + expectedStrings[i]), "Expected: " + expectedStrings[i] + " in result: " + result);
            }
        }
    }

    @Nested
    @DisplayName("Edge Case Tests")
    class EdgeCaseTests {

        @BeforeEach

        assertEquals(expectedString, packet.toString());

        // Test other opCode, resultCode, questionType, recordType branches
        packet.opCode = NameServicePacket.WACK;
        packet.resultCode = NameServicePacket.SRV_ERR;
        packet.questionType = NameServicePacket.NBSTAT;
        packet.recordType = NameServicePacket.NBSTAT;
        expectedString =