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

Change-Id: I255c27b552b32570871a9d5f8bda814ba8723c80
Refs: #2497
diff --git a/tests/unit-tests/mgmt/dispatcher.t.cpp b/tests/unit-tests/mgmt/dispatcher.t.cpp
index 877ec02..76e5c6c 100644
--- a/tests/unit-tests/mgmt/dispatcher.t.cpp
+++ b/tests/unit-tests/mgmt/dispatcher.t.cpp
@@ -98,7 +98,7 @@
   };
 }
 
-BOOST_FIXTURE_TEST_CASE(BasicUsageSemantics, DispatcherFixture)
+BOOST_FIXTURE_TEST_CASE(Basic, DispatcherFixture)
 {
   BOOST_CHECK_NO_THROW(dispatcher
                          .addControlCommand<VoidParameters>("test/1", makeAcceptAllAuthorization(),