adressed review comments

Author: maxicarlos08

Cargo.toml

@@ -14,7 +14,7 @@ readme = "README.md"
 [features]
 # Uses gp_log_add_func instead of gp_context_set_log_func for logging (not supported on many systems)
 extended_logs = []
-test = ["libgphoto2_sys/test", "dep:tracing-subscriber"]
+test = ["libgphoto2_sys/test"]
 serde = ["dep:serde"]
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -28,7 +28,7 @@ libc = "0.2"
 crossbeam-channel = "0.5.6"
 serde = { version = "1", optional = true, features = ["derive"] }
 tracing = "0.1.37"
-tracing-subscriber = { version = "0.3.17", optional = true, features = ["env-filter"] }
 
 [dev-dependencies]
+tracing-subscriber = { version = "0.3.17", features = ["env-filter"] }
 insta = "1.20.0"

examples/logging.rs

@@ -2,7 +2,6 @@ use tracing_subscriber::{prelude::*, EnvFilter};
 
 pub fn setup() {
   tracing_subscriber::registry()
-    .with(EnvFilter::from_default_env())
     .with(tracing_subscriber::fmt::layer())
     .init();
 }

src/lib.rs

@@ -41,7 +41,7 @@ fn sample_context() -> Context {
   static INIT: Once = Once::new();
   INIT.call_once(|| {
     tracing_subscriber::registry()
-      .with(fmt::layer())
+      .with(fmt::layer().with_test_writer())
       .with(EnvFilter::from_default_env().add_directive("gphoto2=trace".parse().unwrap()))
       .init();