Build fixes for the test, disable building tests and examples by default#23

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magnetic-eagle wants to merge 2 commits intobadaix:masterfrom

magnetic-eagle:master

Commits on Mar 16, 2023

Switch off test and example building for inclusion as git submodule
magnetic-eagle
committed
Update catch.hpp with the version from my distro (Ubuntu Studio 22.04 LTS) which builds without errors
magnetic-eagle
committed