Format all tests.

tests/kernel/unsorted/breakable_statement_test.dart

Index: tests/kernel/unsorted/breakable_statement_test.dart
diff --git a/tests/kernel/unsorted/breakable_statement_test.dart b/tests/kernel/unsorted/breakable_statement_test.dart
index 22263cce970f46acd40ea94defebefbbc9f93a64..eb07239eeb3272f06cd5a692874b7a3a6e397b0f 100644
--- a/tests/kernel/unsorted/breakable_statement_test.dart
+++ b/tests/kernel/unsorted/breakable_statement_test.dart
@@ -31,8 +31,10 @@ testDoWhile() {
 
 testLabledBreakOutermost() {
   int i = 0;
-  outer: {
-    middle: {
+  outer:
+  {
+    middle:
+    {
       while (i < 100) {
         if (++i > 41) break outer;
       }
@@ -45,8 +47,10 @@ testLabledBreakOutermost() {
 
 testLabledBreakMiddle() {
   int i = 0;
-  outer: {
-    middle: {
+  outer:
+  {
+    middle:
+    {
       while (i < 100) {
         if (++i > 41) break middle;
       }
@@ -59,8 +63,10 @@ testLabledBreakMiddle() {
 
 testLabledBreakInner() {
   int i = 0;
-  outer: {
-    middle: {
+  outer:
+  {
+    middle:
+    {
       while (i < 100) {
         if (++i > 41) break;
       }