[glibmm] tests: Activate the glibmm_object test

[Kjell Ahlstedt <kjellahl src gnome org>]

commit fec0a48e439128452de9b9da4bf49c336e61980b
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Mon Jul 3 15:53:31 2017 +0200

    tests: Activate the glibmm_object test
    
    Probably overlooked in commit 696685eeaa639ae5e41a9eaa761250368af492db

 tests/Makefile.am           |    8 ++++++--
 tests/glibmm_object/main.cc |    1 -
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index dc4cebb..7e04968 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -34,6 +34,7 @@ check_PROGRAMS =                              \
        glibmm_interface_move/test                      \
        glibmm_mainloop/test                    \
        glibmm_nodetree/test                    \
+       glibmm_object/test                      \
        glibmm_object_move/test                 \
        glibmm_objectbase/test                  \
        glibmm_objectbase_move/test                     \
@@ -108,8 +109,11 @@ glibmm_object_test_SOURCES               = glibmm_object/main.cc \
 glibmm_object_move_test_SOURCES          = glibmm_object_move/main.cc \
                                           glibmm_object/test_derived_object.h
 glibmm_objectbase_test_SOURCES           = glibmm_objectbase/main.cc \
-                                          glibmm_objectbase/test_derived_objectbase.h
-glibmm_objectbase_move_test_SOURCES      = glibmm_objectbase_move/main.cc
+                                          glibmm_objectbase/test_derived_objectbase.h \
+                                          glibmm_object/test_derived_object.h
+glibmm_objectbase_move_test_SOURCES      = glibmm_objectbase_move/main.cc \
+                                          glibmm_objectbase/test_derived_objectbase.h \
+                                          glibmm_object/test_derived_object.h
 glibmm_ustring_compose_test_SOURCES      = glibmm_ustring_compose/main.cc
 glibmm_ustring_format_test_SOURCES       = glibmm_ustring_format/main.cc
 glibmm_value_test_SOURCES                = glibmm_value/main.cc
diff --git a/tests/glibmm_object/main.cc b/tests/glibmm_object/main.cc
index aeb71b7..925b875 100644
--- a/tests/glibmm_object/main.cc
+++ b/tests/glibmm_object/main.cc
@@ -17,7 +17,6 @@ main(int, char**)
 {
   Glib::init();
 
-  test_objectbase();
   test_object();
 
   return EXIT_SUCCESS;