testVersionPropagation: Enable testable mode

This fixes a race condition when the initial value reading was not done
when the test started, creating unexpected version changes

tests/executables_src/testVersionPropagation.cc

@@ -83,7 +83,7 @@ struct Fixture {
 
   boost::shared_ptr<ctk::ExceptionDummy> deviceBackend;
   DummyApplication application;
-  ctk::TestFacility testFacitiy{false};
+  ctk::TestFacility testFacitiy{true};
 
   ctk::ScalarRegisterAccessor<int> status;
   ctk::ScalarRegisterAccessor<int> exceptionDummyRegister;