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

Change-Id: I255c27b552b32570871a9d5f8bda814ba8723c80
Refs: #2497
diff --git a/tests/unit-tests/security/key-params.t.cpp b/tests/unit-tests/security/key-params.t.cpp
index 66e30fe..a1fefa4 100644
--- a/tests/unit-tests/security/key-params.t.cpp
+++ b/tests/unit-tests/security/key-params.t.cpp
@@ -23,13 +23,13 @@
 
 #include "boost-test.hpp"
 
-
 namespace ndn {
 namespace tests {
 
-BOOST_AUTO_TEST_SUITE(SecurityKeyParams)
+BOOST_AUTO_TEST_SUITE(Security)
+BOOST_AUTO_TEST_SUITE(TestKeyParams)
 
-BOOST_AUTO_TEST_CASE(RsaParameter)
+BOOST_AUTO_TEST_CASE(Rsa)
 {
   RsaKeyParams params;
   BOOST_CHECK_EQUAL(params.getKeyType(), KeyType::RSA);
@@ -44,7 +44,7 @@
   BOOST_CHECK_EQUAL(params3.getKeySize(), 2048);
 }
 
-BOOST_AUTO_TEST_CASE(EcdsaParameter)
+BOOST_AUTO_TEST_CASE(Ecdsa)
 {
   EcdsaKeyParams params;
   BOOST_CHECK_EQUAL(params.getKeyType(), KeyType::EC);
@@ -59,7 +59,7 @@
   BOOST_CHECK_EQUAL(params3.getKeySize(), 256);
 }
 
-BOOST_AUTO_TEST_CASE(AesParameter)
+BOOST_AUTO_TEST_CASE(Aes)
 {
   AesKeyParams params;
   BOOST_CHECK_EQUAL(params.getKeyType(), KeyType::AES);
@@ -87,7 +87,8 @@
   BOOST_REQUIRE_THROW((RsaKeyParams(params2)), KeyParams::Error);
 }
 
-BOOST_AUTO_TEST_SUITE_END()
+BOOST_AUTO_TEST_SUITE_END() // TestKeyParams
+BOOST_AUTO_TEST_SUITE_END() // Security
 
 } // namespace tests
 } // namespace ndn