DependencyInjectorTest: fix uninitialized members
DependencyInjectorTest: fix uninitialized members

Fix the following issues discovered by cppcheck:

warning	uninitMemberVar:
	Member variable 'FakeObject::m_self' is
	not initialized in the constructor.

warning	uninitMemberVar:
	Member variable 'FakeObject::m_index' is
	not initialized in the constructor.

Fixes: d6dfe61955d4 ("ui_server: new test fixture DependencyInjectorTest")
Signed-off-by: Jan Viktorin <3eab6ac54c005c4408f608556a6663b7f2abede7@fit.vutbr.cz>

BeeeOn/server,BeeeOn/server,BeeeOn/server,BeeeOn/server