byte[] dst = new byte[4];
        long testTime = System.currentTimeMillis();

        // Test when both current time and test time are in DST
        when(mockTimeZone.inDaylightTime(any(Date.class))).thenReturn(true);
        SMB1SigningDigest.writeUTime(mockConfig, testTime, dst, 0);

        int expectedSeconds = (int) (testTime / 1000L);
        int actualSeconds = SMBUtil.readInt4(dst, 0);

            SMBUtil.writeInt4(0xFFFFFFFF, dst, dstIndex);
            return;
        }

        if (cfg.getLocalTimezone().inDaylightTime(new Date())) {
            // in DST
            if (cfg.getLocalTimezone().inDaylightTime(new Date(t))) {
                // t also in DST so no correction
            } else {
                // t not in DST so subtract 1 hour
                t -= 3600000;

            writeInt4(0xFFFFFFFF, dst, dstIndex);
            return;
        }
        synchronized (TZ) {
            if (TZ.inDaylightTime(new Date())) {
                // in DST
                if (TZ.inDaylightTime(new Date(t))) {
                    // t also in DST so no correction
                } else {
                    // t not in DST so subtract 1 hour