Test that syslogd does not append white spaces to messages. Per
default the test pattern is stricter now. Also do some test cleanup

Make syslogd test more reliable. Use Time::HiRes to sleep .01
seconds in the write_lines() loop. This slows down the client, so
all messages reach syslogd and flood its buffers. Increase the
timeo

Make syslogd test more reliable. Use Time::HiRes to sleep .01
seconds in the write_lines() loop. This slows down the client, so
all messages reach syslogd and flood its buffers. Increase the
timeout to wait until all buffers are full. Use this code in all
TCP/TLS buffer and memory overflow tests.

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Test that long syslog messages are truncated correctly.

Add tests for syslogd's memory buffer and read it with syslogc.