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

Change-Id: I65af858bc6d10197c6ee11111fa9f7c1faa617ef
Refs: #2497
diff --git a/tests/daemon/mgmt/forwarder-status-manager.t.cpp b/tests/daemon/mgmt/forwarder-status-manager.t.cpp
index ec73af1..b9cade3 100644
--- a/tests/daemon/mgmt/forwarder-status-manager.t.cpp
+++ b/tests/daemon/mgmt/forwarder-status-manager.t.cpp
@@ -31,8 +31,6 @@
 namespace nfd {
 namespace tests {
 
-BOOST_AUTO_TEST_SUITE(Mgmt)
-
 class ForwarderStatusManagerFixture : public NfdManagerCommonFixture
 {
 protected:
@@ -48,9 +46,10 @@
   time::system_clock::TimePoint startTime;
 };
 
+BOOST_AUTO_TEST_SUITE(Mgmt)
 BOOST_FIXTURE_TEST_SUITE(TestForwarderStatusManager, ForwarderStatusManagerFixture)
 
-BOOST_AUTO_TEST_CASE(GeneralStatus)
+BOOST_AUTO_TEST_CASE(GeneralStatusDataset)
 {
   // cause counters to be non-zero
   this->advanceClocks(time::seconds(3600));