TMT: run systemtest via make test-system-local

Reuses Makefile logic and also prints SKOPEO_BINARY value

Signed-off-by: Lokesh Mandvekar <[email protected]>

Author: lsm5

systemtest/tmt/main.fmf

@@ -10,5 +10,9 @@ adjust:
         RELEASE_TESTING: true
 
 summary: System test
-test: bash ./test.sh
+test: |
+    rpm -q containers-common skopeo skopeo-tests
+    # If these tests are to be run anywhere else, TMT can fetch
+    # them using the URL and git ref, so git commands should work.
+    make -C $(git rev-parse --show-toplevel) test-system-local
 duration: 60m