tests: Don't check info after compose cancel with osbuild-composer

osbuild-composer doesn't remove cancelled composes and even if we
wait for the cancellation to take place the UUID is still there
and `compose info` returns an exit code of 0 instead of 1

Cherry-picked from 27c4c67a59

Related: rhbz#1825190

tests/cli/test_compose_sanity.sh

@@ -71,7 +71,9 @@ rlJournalStart
 
     rlPhaseStartTest "cancel compose"
         rlRun -t -c "$CLI compose cancel $UUID"
-        rlRun -t -c "$CLI compose info $UUID" 1 "compose is canceled"
+        if [ "$BACKEND" == "lorax-composer" ]; then
+            rlRun -t -c "$CLI compose info $UUID" 1 "compose is canceled"
+        fi
     rlPhaseEnd
 
     rlPhaseStartTest "compose start again"