misc: update build_runner dep and update one test file for dartfmt (#64)

diff --git a/pubspec.yaml b/pubspec.yaml
index 36246c2..02800df 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -12,6 +12,6 @@
   stack_trace: ^1.0.0
   test: ^1.0.0
   # For building and testing with DDC
-  build_runner: ^0.8.0
+  build_runner: ^0.9.0
   build_web_compilers: ^0.4.0
   build_test: ^0.10.1
diff --git a/test/stream_queue_test.dart b/test/stream_queue_test.dart
index 7a3d718..32cc505 100644
--- a/test/stream_queue_test.dart
+++ b/test/stream_queue_test.dart
@@ -153,8 +153,8 @@
 
     test("multiple requests at the same time", () async {
       var events = new StreamQueue<int>(createStream());
-      var result = await Future
-          .wait([events.next, events.next, events.next, events.next]);
+      var result = await Future.wait(
+          [events.next, events.next, events.next, events.next]);
       expect(result, [1, 2, 3, 4]);
       await events.cancel();
     });