Format all tests.

tests/corelib/hashcode_test.dart

Index: tests/corelib/hashcode_test.dart
diff --git a/tests/corelib/hashcode_test.dart b/tests/corelib/hashcode_test.dart
index 535ad6734fc059d3f5dcf17f986ce3dd348e7a80..ba452759175452ce1e2f16024f82e17e97e0eea7 100644
--- a/tests/corelib/hashcode_test.dart
+++ b/tests/corelib/hashcode_test.dart
@@ -11,11 +11,11 @@ class Override {
 
   int foo() => hash; //   Just some function that can be closurized.
 
-  bool operator==(Object other) =>
+  bool operator ==(Object other) =>
       other is Override && (other as Override).hash == hash;
 }
 
-int bar() => 42;  // Some global function.
+int bar() => 42; // Some global function.
 
 main() {
   var o = new Object();