tests: respect naming conventions and improve nesting of some test suites

Change-Id: I255c27b552b32570871a9d5f8bda814ba8723c80
Refs: #2497
diff --git a/tests/integrated/scheduler-benchmark.cpp b/tests/integrated/scheduler-benchmark.cpp
index 6166899..16a6bdc 100644
--- a/tests/integrated/scheduler-benchmark.cpp
+++ b/tests/integrated/scheduler-benchmark.cpp
@@ -21,7 +21,7 @@
 
 #define BOOST_TEST_MAIN 1
 #define BOOST_TEST_DYN_LINK 1
-#define BOOST_TEST_MODULE Scheduler Benchmark
+#define BOOST_TEST_MODULE ndn-cxx Scheduler Benchmark
 
 #include "util/scheduler.hpp"