Add initial unit tests

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: Id4850e52073ea6780a978c6cd5a5c439aa8ed846
diff --git a/src/meson.build b/src/meson.build
index b6828c7..620197a 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -10,6 +10,7 @@
   'inspur-ipmi-oem',
   'inspur_oem.cpp',
   'utils.cpp',
+  'sdbus_wrapper.cpp',
   dependencies: [
     phosphor_dbus_interfaces,
     phosphor_logging,