Format all tests.

tests/corelib/big_integer_huge_mul_vm_test.dart

Index: tests/corelib/big_integer_huge_mul_vm_test.dart
diff --git a/tests/corelib/big_integer_huge_mul_vm_test.dart b/tests/corelib/big_integer_huge_mul_vm_test.dart
index d65e150d45e8a8ad398a57aef10cf1447be5670a..b5bbeaa986eadbdd3c507c040cc592a99399188f 100644
--- a/tests/corelib/big_integer_huge_mul_vm_test.dart
+++ b/tests/corelib/big_integer_huge_mul_vm_test.dart
@@ -7,12 +7,13 @@
 // VMOptions=--no_intrinsify
 
 library big_integer_test;
+
 import "package:expect/expect.dart";
 
 testBigintHugeMul() {
   var bits = 65536;
   var a = 1 << bits;
-  var a1 = a - 1;  // all 1's
+  var a1 = a - 1; // all 1's
   var p1 = a1 * a1;
   var p2 = a * a - a - a + 1;
   // Use isTrue instead of equals to avoid trying to print such big numbers.