Moving gobject tests from tests/gobjects to gobjects/tests

The test files concerned are:

- tests/gobjects/accumulator.c
- tests/gobjects/defaultiface.c
- tests/gobjects/deftype.c
- tests/gobjects/dynamictype.c
- tests/gobjects/override.c
- tests/gobjects/references.c
- tests/gobjects/signals.c
- tests/gobjects/singleton.c

Related to issue #1434

gobject/tests/testmodule.h

@@ -0,0 +1,55 @@
+/* GObject - GLib Type, Object, Parameter and Signal Library
+ * testmodule.h: Dummy dynamic type module
+ * Copyright (C) 2003 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __TEST_MODULE_H__
+#define __TEST_MODULE_H__
+
+#include <glib-object.h>
+
+G_BEGIN_DECLS
+
+typedef struct _TestModule      TestModule;
+typedef struct _TestModuleClass TestModuleClass;
+
+#define TEST_TYPE_MODULE              (test_module_get_type ())
+#define TEST_MODULE(module)           (G_TYPE_CHECK_INSTANCE_CAST ((module), TEST_TYPE_MODULE, TestModule))
+#define TEST_MODULE_CLASS(class)      (G_TYPE_CHECK_CLASS_CAST ((class), TEST_TYPE_MODULE, TestModuleClass))
+#define TEST_IS_MODULE(module)        (G_TYPE_CHECK_INSTANCE_TYPE ((module), TEST_TYPE_MODULE))
+#define TEST_IS_MODULE_CLASS(class)   (G_TYPE_CHECK_CLASS_TYPE ((class), TEST_TYPE_MODULE))
+#define TEST_MODULE_GET_CLASS(module) (G_TYPE_INSTANCE_GET_CLASS ((module), TEST_TYPE_MODULE, TestModuleClass))
+
+typedef void (*TestModuleRegisterFunc) (GTypeModule *module);
+
+struct _TestModule 
+{
+  GTypeModule parent_instance;
+
+  TestModuleRegisterFunc register_func;
+};
+
+struct _TestModuleClass
+{
+  GTypeModuleClass parent_class;
+};
+
+GType        test_module_get_type      (void);
+GTypeModule *test_module_new           (TestModuleRegisterFunc register_func);
+
+G_END_DECLS
+
+#endif /* __TEST_MODULE_H__ */