Clippy improve testsuite

Author: Sh3Rm4n

testsuite/tests/adc.rs

@@ -65,7 +65,7 @@ mod tests {
             defmt::debug!("{}", adc_level);
             defmt::unwrap!(state.output.set_low());
             // Vref is 3V so output should reach the maximum.
-            assert!(adc_level >= 3500 && adc_level <= 4100);
+            assert!((3500..4100).contains(&adc_level));
             let adc_level: u16 = defmt::unwrap!(adc.read(&mut state.analog).ok());
             defmt::debug!("{}", adc_level);
             // nearly zero (always zero can not be guaranteed)

testsuite/tests/uart.rs

@@ -26,17 +26,21 @@ use hal::{
 
 use hal::interrupt;
 
-use core::array::IntoIter;
 use defmt::{assert, assert_eq, unwrap};
 
+use core::array::IntoIter;
 use core::sync::atomic::{AtomicBool, Ordering};
 
 static INTERRUPT_FIRED: AtomicBool = AtomicBool::new(false);
 
+type Serial1 = Serial<pac::USART1, (PA9<AF7<PushPull>>, PA10<AF7<PushPull>>)>;
+type SerialSlow = Serial<pac::USART2, (PA2<AF7<PushPull>>, PA3<AF7<OpenDrain>>)>;
+type SerialFast = Serial<pac::USART3, (PB10<AF7<PushPull>>, PB11<AF7<OpenDrain>>)>;
+
 struct State {
-    serial1: Option<Serial<pac::USART1, (PA9<AF7<PushPull>>, PA10<AF7<PushPull>>)>>,
-    serial_slow: Option<Serial<pac::USART2, (PA2<AF7<PushPull>>, PA3<AF7<OpenDrain>>)>>,
-    serial_fast: Option<Serial<pac::USART3, (PB10<AF7<PushPull>>, PB11<AF7<OpenDrain>>)>>,
+    serial1: Option<Serial1>,
+    serial_slow: Option<SerialSlow>,
+    serial_fast: Option<SerialFast>,
     clocks: Clocks,
     apb1: APB1,
     apb2: APB2,