Format all tests.

tests/language/optimized_string_charcodeat_test.dart

Index: tests/language/optimized_string_charcodeat_test.dart
diff --git a/tests/language/optimized_string_charcodeat_test.dart b/tests/language/optimized_string_charcodeat_test.dart
index 1493db6ae8e184faf02a283e74a174c0d34f1ca6..149069cd085102651b84e7175bfeae464ecde1f2 100644
--- a/tests/language/optimized_string_charcodeat_test.dart
+++ b/tests/language/optimized_string_charcodeat_test.dart
@@ -7,7 +7,6 @@
 
 import "package:expect/expect.dart";
 
-
 String one_byte = "hest";
 String two_byte = "h\u{2029}ns";
 
@@ -15,38 +14,38 @@ int testOneByteCodeUnitAt(String x, int j) {
   int test() {
     return x.codeUnitAt(j);
   }
+
   for (int i = 0; i < 20; i++) test();
   return test();
 }
 
-
 int testTwoByteCodeUnitAt(String x, int j) {
   int test() {
     return x.codeUnitAt(j);
   }
+
   for (int i = 0; i < 20; i++) test();
   return test();
 }
 
-
 int testConstantStringCodeUnitAt(int j) {
   int test() {
     return "høns".codeUnitAt(j);
   }
+
   for (int i = 0; i < 20; i++) test();
   return test();
 }
 
-
 int testConstantIndexCodeUnitAt(String x) {
   int test() {
     return x.codeUnitAt(1);
   }
+
   for (int i = 0; i < 20; i++) test();
   return test();
 }
 
-
 int testOneByteCodeUnitAtInLoop(var x) {
   var result = 0;
   for (int i = 0; i < x.length; i++) {
@@ -55,7 +54,6 @@ int testOneByteCodeUnitAtInLoop(var x) {
   return result;
 }
 
-
 int testTwoByteCodeUnitAtInLoop(var x) {
   var result = 0;
   for (int i = 0; i < x.length; i++) {
@@ -64,7 +62,6 @@ int testTwoByteCodeUnitAtInLoop(var x) {
   return result;
 }
 
-
 main() {
   for (int j = 0; j < 10; j++) {
     Expect.equals(101, testOneByteCodeUnitAt(one_byte, 1));