Format all tests.

tests/language_strong/map_literal4_test.dart

Index: tests/language_strong/map_literal4_test.dart
diff --git a/tests/language_strong/map_literal4_test.dart b/tests/language_strong/map_literal4_test.dart
index 3b51d82f9609ad72342cea23ea55abb21b3bc31d..df249c61b409a3081bef417279816eff4ab8e2dc 100644
--- a/tests/language_strong/map_literal4_test.dart
+++ b/tests/language_strong/map_literal4_test.dart
@@ -11,35 +11,35 @@ class MapLiteral4Test<T> {
   test() {
     int result = 0;
     try {
-      var m = <String, String>{"a": 0};  // 0 is not a String.
+      var m = <String, String>{"a": 0}; // 0 is not a String.
     } on TypeError catch (error) {
       result += 1;
     }
     try {
       var m = <String, int>{"a": 0};
-      m[2] = 1;  // 2 is not a String.
+      m[2] = 1; // 2 is not a String.
     } on TypeError catch (error) {
       result += 10;
     }
     try {
-      var m = <String, T>{"a": "b"};  // "b" is not an int.
+      var m = <String, T>{"a": "b"}; // "b" is not an int.
     } on TypeError catch (error) {
       result += 100;
     }
     try {
-      var m = <String, T>{"a": 0};  // OK.
+      var m = <String, T>{"a": 0}; // OK.
     } on TypeError catch (error) {
       result += 1000;
     }
     try {
       var m = <String, T>{"a": 0};
-      m[2] = 1;  // 2 is not a String.
+      m[2] = 1; // 2 is not a String.
     } on TypeError catch (error) {
       result += 10000;
     }
     try {
       var m = const <String, int>{"a": 0};
-      m[2] = 1;  // 2 is not a String.
+      m[2] = 1; // 2 is not a String.
     } on TypeError catch (error) {
       result += 100000;
     }