Use override/default, use operator!, layout changes in out test

[jwillemsen]

* tests/out/client.cpp:
* tests/out/hello.cpp:
* tests/out/hello.h:
* tests/out/server.cpp:

[codecov]

Codecov Report

Merging #192 (8bc52b5) into master (ee5b63c) will decrease coverage by 0.83%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #192      +/-   ##
==========================================
- Coverage   66.10%   65.26%   -0.84%     
==========================================
  Files         570      569       -1     
  Lines       47953    44580    -3373     
==========================================
- Hits        31699    29097    -2602     
+ Misses      16254    15483     -771     

Impacted Files	Coverage Δ
tao/x11/anytypecode/any.cpp	41.01% <0.00%> (-15.16%)	⬇️
tests/mt/mt_bidir/server_task.cpp	66.66% <0.00%> (-14.29%)	⬇️
tests/collocation/collocation.cpp	71.42% <0.00%> (-11.91%)	⬇️
tao/x11/codecfactory/codecfactory.cpp	71.42% <0.00%> (-10.39%)	⬇️
tests/poa/forwarding/test_i.cpp	81.81% <0.00%> (-9.49%)	⬇️
tests/obv/valuebox/server.cpp	64.51% <0.00%> (-8.82%)	⬇️
tests/ami_test/ostream/test_i.cpp	66.66% <0.00%> (-8.34%)	⬇️
tests/poa/forwarding/client.cpp	62.50% <0.00%> (-7.96%)	⬇️
tests/obv/supports/supports_test_impl.cpp	60.60% <0.00%> (-7.58%)	⬇️
tao/x11/dynamic_any/dynany_impl.cpp	52.16% <0.00%> (-6.88%)	⬇️
... and 347 more

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