Re-land "Format all multitests"

tests/language/compile_time_constant_r_test.dart

Index: tests/language/compile_time_constant_r_test.dart
diff --git a/tests/language/compile_time_constant_r_test.dart b/tests/language/compile_time_constant_r_test.dart
index 060c5bbf4cae422f18d2f14800036fd4f6b82622..40e651a354aa82b23b4dce3cd95bba6663da48c2 100644
--- a/tests/language/compile_time_constant_r_test.dart
+++ b/tests/language/compile_time_constant_r_test.dart
@@ -4,17 +4,19 @@
 
 const x =
           throw // //# 01: compile-time error
-          "x";
+    "x";
 
-const y = const {0:
+const y = const {
+  0:
                     throw // //# 02: compile-time error
-                    "y"};
+      "y"
+};
 
 main() {
   print(x);
   print(y);
   const z =
             throw // //# 03: compile-time error
-            1+1+1;
+      1 + 1 + 1;
   print(z);
 }