Update tests to cover macros

hil-test/tests/i2s_async.rs

@@ -76,6 +76,11 @@ async fn writer(tx_buffer: &'static mut [u8], i2s_tx: I2sTx<'static, I2S0, DmaCh
 #[cfg(test)]
 #[embedded_test::tests(executor = esp_hal_embassy::Executor::new())]
 mod tests {
+    // defmt::* is load-bearing, it ensures that the assert in dma_buffers! is not
+    // using defmt's non-const assert. Doing so would result in a compile error.
+    #[allow(unused_imports)]
+    use defmt::{assert_eq, *};
+
     use super::*;
 
     #[init]

hil-test/tests/spi_half_duplex_write.rs

@@ -56,7 +56,10 @@ struct Context {
 #[cfg(test)]
 #[embedded_test::tests]
 mod tests {
-    use defmt::assert_eq;
+    // defmt::* is load-bearing, it ensures that the assert in dma_buffers! is not
+    // using defmt's non-const assert. Doing so would result in a compile error.
+    #[allow(unused_imports)]
+    use defmt::{assert_eq, *};
 
     use super::*;