dataflow_cpp: added assertion in unit test

dataflow_cpp/test/dataflow_cpp_test_simple.cc

@@ -158,7 +158,7 @@ void SimpleTest::TestBasic() {
     128,  // max groups (default: 128)
     // Currently needs to be initialized
     // with (max_queues + 1), see defect embb449
-    num_cores + 1, // max queues (default: 16)
+    num_cores, // max queues (default: 16)
     1024, // queue capacity (default: 1024)
     4     // num priorities (default: 4)
   );
@@ -211,8 +211,7 @@ void SimpleTest::TestBasic() {
     try {
       network();
     } catch (embb::base::ErrorException & e) {
-      std::cout << e.What() << std::endl;
-      break;
+      PT_ASSERT_MSG(false, e.What());
     }
 
     PT_EXPECT(asink.Check());