Format all tests.

tests/language_strong/map_literal8_test.dart

Index: tests/language_strong/map_literal8_test.dart
diff --git a/tests/language_strong/map_literal8_test.dart b/tests/language_strong/map_literal8_test.dart
index ac68d849cd3700eb7da642c071ef5936ea00461d..ef237aa3cf0cc2984b267196fd6ef0b583839fc5 100644
--- a/tests/language_strong/map_literal8_test.dart
+++ b/tests/language_strong/map_literal8_test.dart
@@ -12,6 +12,7 @@ import "package:expect/expect.dart";
 class A {
   const A();
 }
+
 class B extends A {
   final a;
   const B(this.a);
@@ -26,7 +27,7 @@ void main() {
     const B(0): 4,
   };
   Expect.isTrue(m1 is Map);
-  Expect.isTrue(m1 is Map<A,int>);
+  Expect.isTrue(m1 is Map<A, int>);
   Expect.isTrue(m1 is Map<int, dynamic>);
   Expect.isTrue(m1 is Map<dynamic, A>);