Allow trailing commas in static suggestions

Author: Zalathar

src/tools/suggest-tests/src/static_suggestions.rs

@@ -2,23 +2,23 @@ use crate::{sug, Suggestion};
 
 // FIXME: perhaps this could use `std::lazy` when it is stablizied
 macro_rules! static_suggestions {
-    ($( $glob:expr => [ $( $suggestion:expr ),* ] ),*) => {
+    ($( $glob:expr => [ $( $suggestion:expr ),*  $(,)? ] ),* $(,)? ) => {
         pub(crate) const STATIC_SUGGESTIONS: ::once_cell::unsync::Lazy<Vec<(&'static str, Vec<Suggestion>)>>
             = ::once_cell::unsync::Lazy::new(|| vec![ $( ($glob, vec![ $($suggestion),* ]) ),*]);
     }
 }
 
 static_suggestions! {
     "*.md" => [
-        sug!("test", 0, ["linkchecker"])
+        sug!("test", 0, ["linkchecker"]),
     ],
 
     "compiler/*" => [
         sug!("check"),
-        sug!("test", 1, ["tests/ui", "tests/run-make"])
+        sug!("test", 1, ["tests/ui", "tests/run-make"]),
     ],
 
     "src/librustdoc/*" => [
-        sug!("test", 1, ["rustdoc"])
-    ]
+        sug!("test", 1, ["rustdoc"]),
+    ],
 }