Re-land "Format all multitests"

tests/language_strong/cascade_test.dart

Index: tests/language_strong/cascade_test.dart
diff --git a/tests/language_strong/cascade_test.dart b/tests/language_strong/cascade_test.dart
index e9bc29d5068b703c28a6c6ca7f49fbffa5e59bc6..a71676abff1c74d1ade5e7f26913bd43f9d77363 100644
--- a/tests/language_strong/cascade_test.dart
+++ b/tests/language_strong/cascade_test.dart
@@ -12,9 +12,14 @@ class A {
 
   A(this.x, this.y);
 
-  A setX(int x) { this.x = x; return this; }
+  A setX(int x) {
+    this.x = x;
+    return this;
+  }
 
-  void setY(int y) { this.y = y; }
+  void setY(int y) {
+    this.y = y;
+  }
 
   Function swap() {
     int tmp = x;
@@ -28,14 +33,14 @@ class A {
     Expect.equals(y, this.y);
   }
 
-  operator[](var i) {
+  operator [](var i) {
     if (i == 0) return x;
     if (i == 1) return y;
     if (i == "swap") return this.swap;
     return null;
   }
 
-  int operator[]=(int i, int value) {
+  int operator []=(int i, int value) {
     if (i == 0) {
       x = value;
     } else if (i == 1) {
@@ -53,18 +58,30 @@ class A {
 
 main() {
   A a = new A(1, 2);
-  a..check(1, 2)
-   ..swap()..check(2, 1)
-   ..x = 4..y = 9..check(4, 9)
-   ..setX(10)..check(10, 9)
-   ..y = 5..check(10, 5)
-   ..swap()()()..check(5, 10)
-   ..[0] = 2..check(2, 10)
-   ..setX(10).setY(3)..check(10, 3)
-   ..setX(7)["swap"]()..check(3, 7)
-   ..import()..check(4, 7)
-   ..["swap"]()()()..check(7, 4);
-  a.check(7,4);
+  a
+    ..check(1, 2)
+    ..swap()
+    ..check(2, 1)
+    ..x = 4
+    ..y = 9
+    ..check(4, 9)
+    ..setX(10)
+    ..check(10, 9)
+    ..y = 5
+    ..check(10, 5)
+    ..swap()()()
+    ..check(5, 10)
+    ..[0] = 2
+    ..check(2, 10)
+    ..setX(10).setY(3)
+    ..check(10, 3)
+    ..setX(7)["swap"]()
+    ..check(3, 7)
+    ..import()
+    ..check(4, 7)
+    ..["swap"]()()()
+    ..check(7, 4);
+  a.check(7, 4);
   a..(42); // //# 01: compile-time error
   a..37; // //# 02: compile-time error
   a.."foo"; // //# 03: compile-time error