log: Use serial_test to avoid conflicts with other tests

gstreamer/Cargo.toml

@@ -40,6 +40,7 @@ ron = "0.8"
 serde_json = "1.0"
 futures-executor = "0.3.1"
 gir-format-check = "0.1"
+serial_test = "3"
 
 [features]
 default = []

gstreamer/src/log.rs

@@ -1298,6 +1298,7 @@ pub fn remove_log_function(log_fn: DebugLogFunction) {
 
 #[cfg(test)]
 mod tests {
+    use serial_test::serial;
     use std::sync::{mpsc, Arc, Mutex};
 
     use super::*;
@@ -1371,6 +1372,7 @@ mod tests {
     });
 
     #[test]
+    #[serial]
     #[cfg(feature = "log")]
     fn log_trait() {
         crate::init().unwrap();
@@ -1421,6 +1423,7 @@ mod tests {
     }
 
     #[test]
+    #[serial]
     fn log_handler() {
         crate::init().unwrap();