dbus: add unit-tests for dbusutil: getSensorPath

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: Iabb2df7a725da1b70cb6a907d19c451e7bba609d
diff --git a/dbus/dbusutil.cpp b/dbus/dbusutil.cpp
index 1596628..7545eed 100644
--- a/dbus/dbusutil.cpp
+++ b/dbus/dbusutil.cpp
@@ -1,8 +1,11 @@
 #include "util.hpp"
 
 #include <cmath>
+#include <cstdint>
 #include <iostream>
+#include <map>
 #include <set>
+#include <string>
 #include <variant>
 
 using Property = std::string;