TMT: additions to make local TMT runs similar to testing-farm

Signed-off-by: Lokesh Mandvekar <lsm5@redhat.com>

plans/main.fmf

@@ -24,3 +24,11 @@ prepare:
         fi
         dnf -y upgrade --allowerasing
       order: 20
+    - name: Disable installing everything from srpm
+      how: install
+      exclude:
+        - ".*"
+    - name: Install the main package
+      how: install
+      package:
+        - skopeo-tests

systemtest/tmt/main.fmf

@@ -1,6 +1,3 @@
-require:
-    - skopeo-tests
-
 environment:
     SKOPEO_BINARY: /usr/bin/skopeo
 
@@ -11,8 +8,12 @@ adjust:
 
 summary: System test
 test: |
-    rpm -q containers-common skopeo skopeo-tests
+    rpm -q containers-common 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
+require:
+    - git-core
+    - make
+    - skopeo-tests
 duration: 60m