diff --git a/.github/workflows/scripts/post_before_script.sh b/.github/workflows/scripts/post_before_script.sh
index 084827b85..9fa375ed1 100644
--- a/.github/workflows/scripts/post_before_script.sh
+++ b/.github/workflows/scripts/post_before_script.sh
@@ -1,5 +1,5 @@
-SCENARIOS=("pulp" "performance" "azure" "gcp" "s3" "generate-bindings" "lowerbounds")
-if [[ " ${SCENARIOS[*]} " =~ " ${TEST} " ]]; then
-  # Needed by pulp_container/tests/functional/api/test_flatpak.py:
-  cmd_prefix dnf install -yq dbus-daemon flatpak
-fi
+# Needed by pulp_container/tests/functional/api/test_flatpak.py:
+cmd_prefix dnf install -yq dbus-daemon flatpak
+
+# add the copied certificates from install.sh to the container's trusted certificates list
+cmd_prefix sudo trust anchor /etc/pulp/certs/pulp_webserver.crt