local -x BABELTRACE_PLUGIN_PATH=$BT_TESTS_BABELTRACE_PLUGIN_PATH
local -x LIBBABELTRACE2_PLUGIN_PROVIDER_DIR=$BT_TESTS_PROVIDER_DIR
local -x BT_TESTS_DATADIR=$BT_TESTS_DATADIR
local -x BABELTRACE_PLUGIN_PATH=$BT_TESTS_BABELTRACE_PLUGIN_PATH
local -x LIBBABELTRACE2_PLUGIN_PROVIDER_DIR=$BT_TESTS_PROVIDER_DIR
local -x BT_TESTS_DATADIR=$BT_TESTS_DATADIR