Switch to Fedora 33 and Python 3.9

test/run

@@ -187,6 +187,16 @@ test_application() {
   cleanup_app
 }
 
+test_latest_imagestreams() {
+  local result=1
+  info "Testing the latest version in imagestreams"
+  # Switch to root directory of a container
+  pushd "${test_dir}/../.." >/dev/null || return 1
+  ct_check_latest_imagestreams
+  result=$?
+  popd >/dev/null || return 1
+  check_result $result
+}
 
 # Since we built the candidate image locally, we don't want S2I attempt to pull
 # it from Docker hub
@@ -224,6 +234,8 @@ for app in ${@:-${WEB_APPS[@]}}; do
   # test application with init wrapper
   CONTAINER_ARGS="-e ENABLE_INIT_WRAPPER=true" test_application
 
+  test_latest_imagestreams
+
   info "All tests for the ${app} finished successfully."
   cleanup ${app}
 done