Format all tests.

tests/language/super_operator_test.dart

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Dart test for testing super operator calls
 
 import "package:expect/expect.dart";
 
-
 class A {
   String val = "";
   List things;
 
   A() : things = ['D', 'a', 'r', 't', 42];
 
-  operator + (String s) {
+  operator +(String s) {
     val = "${val}${s}";
     return this;
   }
 
-  operator [] (i) {
+  operator [](i) {
     return things[i];
   }
 
-  operator []= (i, val) {
+  operator []=(i, val) {
     return things[i] = val;
   }
 }
 
-
 class B extends A {
-  operator + (String s) {
-    super + ("${s}${s}");  // Call A.operator+(this, "${s}${s}").
+  operator +(String s) {
+    super + ("${s}${s}"); // Call A.operator+(this, "${s}${s}").
     return this;
   }
 
-  operator [] (i) {
+  operator [](i) {
     var temp = super[i];
     if (temp is String) {
       return "$temp$temp";
     }
     return temp + temp;
   }
 
-  operator []= (i, val) {
+  operator []=(i, val) {
     // Make sure the index expression is only evaluated
     // once in the presence of a compound assignment.
     return super[i++] += val;
   }
-
 }
 
-
 class Autobianchi {
   g() => super[0];
 }
 
-
 testRegression6403() {
   // Do not crash, throw exception instead
   new Autobianchi().g();
 }
 
-
-main () {
+main() {
   var a = new A();
-  a = a + "William";  // operator + of class A.
+  a = a + "William"; // operator + of class A.
   Expect.equals("William", a.val);
-  Expect.equals("r", a[2]);  // operator [] of class A.
+  Expect.equals("r", a[2]); // operator [] of class A.
 
   a = new B();
   a += "Tell"; // operator + of class B.
   Expect.equals("TellTell", a.val);
   Expect.equals("rr", a[2]); // operator [] of class B.
 
-  a[4] = 1;  // operator []= of class B.
+  a[4] = 1; // operator []= of class B.
   Expect.equals(43, a.things[4]);
   Expect.equals(86, a[4]);
 
   Expect.throws(testRegression6403);
 }