Run only full test plan when running packit-integration plan (#467)

Run only full test plan when running packit-integration plan

Related to packit/packit#2582.

Reviewed-by: Matej Focko

Author: softwarefactory-project-zuul[bot]

plans/packit-integration.fmf

@@ -1,7 +1,7 @@
 discover:
     how: fmf
     url: https://github.com/packit/packit
-    filter: tier:0 | tier:1
+    filter: tag:full
 
 prepare:
   - how: install