Format all tests.

tests/language/map_literal3_test.dart

Index: tests/language/map_literal3_test.dart
diff --git a/tests/language/map_literal3_test.dart b/tests/language/map_literal3_test.dart
index 1aa9bed9951f1e995f1817da2bbb196efa1a517a..3d809b99e3992fb461de89dfb2d9a3ed254f6290 100644
--- a/tests/language/map_literal3_test.dart
+++ b/tests/language/map_literal3_test.dart
@@ -106,9 +106,7 @@ class MapLiteralTest {
         }["alpha"]["gamma"]);
 
     // Map literals at beginning of statement.
-    <
-        String,
-        num>{"pink": 100};
+    <String, num>{"pink": 100};
     const <String, num>{"floyd": 100};
   }
 }