Format all tests.

tests/language_strong/void_type_test.dart

Index: tests/language_strong/void_type_test.dart
diff --git a/tests/language_strong/void_type_test.dart b/tests/language_strong/void_type_test.dart
index 92ccd4d6c019d99046a3b4be5f6d528888170fb2..faf8b3f2ff31c71268f3d34d1f49da84a9648d0b 100644
--- a/tests/language_strong/void_type_test.dart
+++ b/tests/language_strong/void_type_test.dart
@@ -15,11 +15,17 @@ isCheckedMode() {
   }
 }
 
-void f() { return; }
+void f() {
+  return;
+}
 
-void f_null() { return null; }
+void f_null() {
+  return null;
+}
 
-void f_1() { return 1; }
+void f_1() {
+  return 1;
+}
 
 void f_dyn_null() {
   var x = null;
@@ -31,7 +37,9 @@ void f_dyn_1() {
   return x;
 }
 
-void f_f() { return f(); }
+void f_f() {
+  return f();
+}
 
 void test(int n, void func(), bool must_get_error) {
   // Test as closure call.
@@ -55,12 +63,24 @@ void test(int n, void func(), bool must_get_error) {
     try {
       var x;
       switch (n) {
-        case 0: x = f(); break;
-        case 1: x = f_null(); break;
-        case 2: x = f_1(); break;
-        case 3: x = f_dyn_null(); break;
-        case 4: x = f_dyn_1(); break;
-        case 5: x = f_f(); break;
+        case 0:
+          x = f();
+          break;
+        case 1:
+          x = f_null();
+          break;
+        case 2:
+          x = f_1();
+          break;
+        case 3:
+          x = f_dyn_null();
+          break;
+        case 4:
+          x = f_dyn_1();
+          break;
+        case 5:
+          x = f_f();
+          break;
       }
     } on TypeError catch (error) {
       got_type_error = true;
@@ -82,5 +102,3 @@ main() {
   test(4, f_dyn_1, true);
   test(5, f_f, false);
 }
-
-