Unit test: event_log.cpp

Provide basic unit test coverage for the functions from event_log.cpp.

Tested: Unit tests pass.

Change-Id: Ib555d2404e0f5cc5d5610d466100d0f07c79f5d9
Signed-off-by: Alexander Hansen <alexander.hansen@9elements.com>
diff --git a/meson.build b/meson.build
index 1bdbc71..86b0ed4 100644
--- a/meson.build
+++ b/meson.build
@@ -416,6 +416,7 @@
     'test/include/ossl_random.cpp',
     'test/include/ssl_key_handler_test.cpp',
     'test/include/str_utility_test.cpp',
+    'test/redfish-core/include/event_log_test.cpp',
     'test/redfish-core/include/event_matches_filter_test.cpp',
     'test/redfish-core/include/filter_expr_executor_test.cpp',
     'test/redfish-core/include/filter_expr_parser_test.cpp',