[C++, Build] Fix continuous CI build
[C++, Build] Fix continuous CI build

Two tests failed systematically because they required files
from the 'test-resources' directory

Change-Id: Ic935afc22ed33810d7cae3b6aa87bd23ece1e6b0

bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,clive-jevons/joynr,clive-jevons/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,bmwcarit/joynr,clive-jevons/joynr