[wp] Inactive pedantic-assigns in tests

src/plugins/wp/tests/test_config

src/plugins/wp/tests/test_config_qualif

src/plugins/wp/tests/wp_bts/bts_2110.i

src/plugins/wp/tests/wp_plugin/model.i

src/plugins/wp/tests/wp_plugin/rte.i

src/plugins/wp/tests/wp_region/test_config

src/plugins/wp/tests/wp_usage/save_load.i

tests/spec/generalized_check.i