Re-land "Format all multitests"

tests/language/type_promotion_local_test.dart

Index: tests/language/type_promotion_local_test.dart
diff --git a/tests/language/type_promotion_local_test.dart b/tests/language/type_promotion_local_test.dart
index 8c3a4c817bd0a43c50a3c3860c5582b9f0dcc594..03b7239712a367e21075da67c8d84312e6e70d08 100644
--- a/tests/language/type_promotion_local_test.dart
+++ b/tests/language/type_promotion_local_test.dart
@@ -7,15 +7,19 @@
 class A {
   var a = "a";
 }
+
 class B extends A {
   var b = "b";
 }
+
 class C extends B {
   var c = "c";
 }
+
 class D extends A {
   var d = "d";
 }
+
 class E implements C, D {
   var a = "";
   var b = "";
@@ -90,37 +94,34 @@ void main() {
   print(a.c); //# 19: static type warning
   print(a.d); //# 20: static type warning
 
-  var o1 = a is B  ?
-      '${a.a}'
-      '${a.b}'
+  var o1 = a is B
+          ? '${a.a}'
+              '${a.b}'
       '${a.c}' //# 21: static type warning
       '${a.d}' //# 22: static type warning
-      :
-      '${a.a}'
+          : '${a.a}'
       '${a.b}' //# 23: static type warning
       '${a.c}' //# 24: static type warning
       '${a.d}' //# 25: static type warning
       ;
 
-  var o2 = a is C  ?
-      '${a.a}'
-      '${a.b}'
-      '${a.c}'
+  var o2 = a is C
+          ? '${a.a}'
+              '${a.b}'
+              '${a.c}'
       '${a.d}' //# 26: static type warning
-      :
-      '${a.a}'
+          : '${a.a}'
       '${a.b}' //# 27: static type warning
       '${a.c}' //# 28: static type warning
       '${a.d}' //# 29: static type warning
       ;
 
-  var o3 = a is D  ?
-      '${a.a}'
+  var o3 = a is D
+          ? '${a.a}'
       '${a.b}' //# 30: static type warning
       '${a.c}' //# 31: static type warning
-      '${a.d}'
-      :
-      '${a.a}'
+              '${a.d}'
+          : '${a.a}'
       '${a.b}' //# 32: static type warning
       '${a.c}' //# 33: static type warning
       '${a.d}' //# 34: static type warning