build: declare test-suite as test
build: declare test-suite as test

This setting is not very useful because ctest modifies the output of the
test-suite which produces TAP output. With broken TAP output, any analysis
of results would fail. Thus, this is specified just for compatibility.

Signed-off-by: Jan Viktorin <3eab6ac54c005c4408f608556a6663b7f2abede7@fit.vutbr.cz>

BeeeOn/server,BeeeOn/server,BeeeOn/server,BeeeOn/server