sdbusplus: use shorter type aliases

The sdbusplus headers provide shortened aliases for many types.
Switch to using them to provide better code clarity and shorter
lines.  Possible replacements are for:
  * bus_t
  * exception_t
  * manager_t
  * match_t
  * message_t
  * object_t
  * slot_t

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie530f2c63000bbfac7c5fbbc74ebe6bc8c07fb1a
diff --git a/test/mocked_utils.hpp b/test/mocked_utils.hpp
index 71aac99..71a4f77 100644
--- a/test/mocked_utils.hpp
+++ b/test/mocked_utils.hpp
@@ -11,14 +11,14 @@
     virtual ~MockedUtils() = default;
 
     MOCK_CONST_METHOD1(getPSUInventoryPath,
-                       std::vector<std::string>(sdbusplus::bus::bus& bus));
+                       std::vector<std::string>(sdbusplus::bus_t& bus));
 
     MOCK_CONST_METHOD3(getService,
-                       std::string(sdbusplus::bus::bus& bus, const char* path,
+                       std::string(sdbusplus::bus_t& bus, const char* path,
                                    const char* interface));
 
     MOCK_CONST_METHOD3(getServices,
-                       std::vector<std::string>(sdbusplus::bus::bus& bus,
+                       std::vector<std::string>(sdbusplus::bus_t& bus,
                                                 const char* path,
                                                 const char* interface));
 
@@ -34,7 +34,7 @@
                                           const AssociationList& assocs));
 
     MOCK_CONST_METHOD5(getPropertyImpl,
-                       any(sdbusplus::bus::bus& bus, const char* service,
+                       any(sdbusplus::bus_t& bus, const char* service,
                            const char* path, const char* interface,
                            const char* propertyName));
 };