[tracker/sam/ci] Use Fedora

[Sam Thursfield <sthursfield src gnome org>]

commit 4f6677e3a2863c8b967fa8b4791ba3328783c21b
Author: Sam Thursfield <sam afuera me uk>
Date:   Sun Jun 17 18:38:45 2018 +0200

    Use Fedora

 .gitlab-ci.yml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bb1b0e692..ba5d11ab3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,9 +1,13 @@
 stages:
   - test
 
-test-autotools:
+test-autotools-fedora28:
   stage: test
-  image: registry.gitlab.gnome.org/gnome/gnome-runtime-images/gnome:3.28
+  image: fedora:28
+
+  before_script:
+    - dnf install -y 'dnf-command(builddep)' redhat-rpm-config libseccomp-devel         - dnf builddep -y 
nautilus
+    - dnf builddep -y tracker
 
   script:
     - ./autogen.sh