Enable dnf5 before running prepare.sh

Install dnf5-command(copr)

Author: jpopelka

enable_dnf5.sh

@@ -4,3 +4,4 @@ dnf -y copr enable rpmsoftwaremanagement/dnf5-testing
 dnf -y install dnf5
 # ensure dnf5 is installed from copr since it might be installed from fedora repos
 dnf -y update dnf5 --repo=copr:copr.fedorainfracloud.org:rpmsoftwaremanagement:dnf5-testing
+dnf5 -y install 'dnf5-command(copr)'

installability.fmf

@@ -7,14 +7,14 @@ provision:
 discover:
     how: shell
     tests:
-    - name: prepare
-      framework: shell
-      test: bash prepare.sh
-      duration: 30m
     - name: enable_dnf5
       framework: shell
       test: bash enable_dnf5.sh
       duration: 30m
+    - name: prepare
+      framework: shell
+      test: bash prepare.sh
+      duration: 30m
     - name: installability
       framework: shell
       test: /usr/local/libexec/mini-tps/installability_runner.sh --critical --skiplangpack --selinux=1 --repo=brew-$TASK_ID