Mass replace ,); pattern (#3580)

This is an artifact left by rustfmt which is not dare to remove the
comma being conservative.

polkadot/node/subsystem-util/src/determine_new_blocks.rs

@@ -294,7 +294,7 @@ mod tests {
 			.await
 			.unwrap();
 
-			assert_eq!(ancestry, expected_ancestry,);
+			assert_eq!(ancestry, expected_ancestry);
 		});
 
 		let aux_fut = Box::pin(async move {
@@ -367,7 +367,7 @@ mod tests {
 			.await
 			.unwrap();
 
-			assert_eq!(ancestry, expected_ancestry,);
+			assert_eq!(ancestry, expected_ancestry);
 		});
 
 		let aux_fut = Box::pin(async move {
@@ -426,7 +426,7 @@ mod tests {
 			.await
 			.unwrap();
 
-			assert_eq!(ancestry, expected_ancestry,);
+			assert_eq!(ancestry, expected_ancestry);
 		});
 
 		futures::executor::block_on(test_fut);
@@ -462,7 +462,7 @@ mod tests {
 			.await
 			.unwrap();
 
-			assert_eq!(ancestry, expected_ancestry,);
+			assert_eq!(ancestry, expected_ancestry);
 		});
 
 		futures::executor::block_on(test_fut);
@@ -498,11 +498,11 @@ mod tests {
 					.await
 					.unwrap();
 
-			assert_eq!(after_finality, vec![(head_hash, head.clone())],);
+			assert_eq!(after_finality, vec![(head_hash, head.clone())]);
 
-			assert_eq!(at_finality, Vec::new(),);
+			assert_eq!(at_finality, Vec::new());
 
-			assert_eq!(before_finality, Vec::new(),);
+			assert_eq!(before_finality, Vec::new());
 		});
 
 		futures::executor::block_on(test_fut);

polkadot/node/subsystem-util/src/rolling_session_window.rs

@@ -564,7 +564,7 @@ mod tests {
 				window.cache_session_info_for_head(&mut ctx, hash, &header).await.unwrap();
 
 				assert_eq!(window.earliest_session, Some(session));
-				assert_eq!(window.session_info, vec![dummy_session_info(session)],);
+				assert_eq!(window.session_info, vec![dummy_session_info(session)]);
 			})
 		};