added more tests to the testing folder

build/includes/summa_actor/client.hpp

build/makefile_sundials

build/source/actors/summa_actor/client.cpp

build/source/actors/summa_actor/summa_server.cpp

build/source/testing/actor_testing.cpp

build/source/testing/summa_actor/main.cpp

build/source/testing/summa_actor/makefile

build/source/testing/summa_actor/test.cpp

build/source/testing/summa_actor/test.hpp