refactor: clippy lints

Author: roderickvd

tests/seek.rs

@@ -175,10 +175,7 @@ fn seek_does_not_break_channel_order(
     }
 }
 
-fn second_channel_beep_range<R: rodio::Source>(source: &mut R) -> std::ops::Range<usize>
-where
-    R: Iterator<Item = f32>,
-{
+fn second_channel_beep_range<R: rodio::Source>(source: &mut R) -> std::ops::Range<usize> {
     let channels = source.channels() as usize;
     let samples: Vec<f32> = source.by_ref().collect();
 

tests/total_duration.rs

@@ -72,9 +72,7 @@ fn decoder_returns_total_duration(
     let decoder = get_music(format);
     let res = decoder
         .total_duration()
-        .expect(&format!(
-            "did not return a total duration, decoder: {decoder_name}"
-        ))
+        .unwrap_or_else(|| panic!("did not return a total duration, decoder: {decoder_name}"))
         .as_secs_f64();
     let correct_duration = correct_duration.as_secs_f64();
     let abs_diff = (res - correct_duration).abs();