Change TEST_FILES to be a list instead of dictionary

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Modify Application tests to use BaseTest class and NOT hardcode Petr's home path

Signed-off-by: Tomas Hozza <thozza@redhat.com>
Modify SpecFile tests to use BaseTest class and to pass

Signed-off-by: Tomas Hozza <thozza@redhat.com>