gst_all_1.gst-plugins-rs: add test patch from upstream and re-enable tests (#437805)

pkgs/development/libraries/gstreamer/rs/default.nix

@@ -189,6 +189,11 @@ stdenv.mkDerivation (finalAttrs: {
   patches = [
     # Related to https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/issues/723
     ./ignore-tests.patch
+    (fetchpatch {
+      name = "x264enc-test-fix.patch";
+      url = "https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/commit/c0c9888d66e107f9e0b6d96cd3a85961c7e97d9a.diff";
+      hash = "sha256-/ILdPDjI20k5l9Qf/klglSuhawmFUs9mR+VhBnQqsWw=";
+    })
   ];
 
   strictDeps = true;

pkgs/development/libraries/gstreamer/rs/ignore-tests.patch

@@ -1,23 +1,3 @@
-diff --git a/mux/mp4/tests/tests.rs b/mux/mp4/tests/tests.rs
-index 52b91f59..c5875554 100644
---- a/mux/mp4/tests/tests.rs
-+++ b/mux/mp4/tests/tests.rs
-@@ -1339,6 +1339,7 @@ fn test_taic_encode_cannot_sync(video_enc: &str) {
-     );
- }
- 
-+#[ignore = "Unknown failure"]
- #[test]
- fn test_taic_x264() {
-     init();
-@@ -1359,6 +1360,7 @@ fn test_taic_stai_x264_not_enabled() {
-     test_taic_stai_encode("x264enc", false);
- }
- 
-+#[ignore = "Unknown failure"]
- #[test]
- fn test_taic_x264_no_sync() {
-     init();
 diff --git a/utils/uriplaylistbin/tests/uriplaylistbin.rs b/utils/uriplaylistbin/tests/uriplaylistbin.rs
 index 3489eaa8..569635d6 100644
 --- a/utils/uriplaylistbin/tests/uriplaylistbin.rs