tests: Enable unit test on Windows
... and add missing GST_PLUGIN_LOADING_WHITELIST on meson build. Allow run some unit tests (which can run without crash) on Windows.
gstreamer!50 (closed) is required
... and add missing GST_PLUGIN_LOADING_WHITELIST on meson build. Allow run some unit tests (which can run without crash) on Windows.
gstreamer!50 (closed) is required