Revert "Format all multitests"

tests/isolate/issue_21398_parent_isolate2_test.dart

Index: tests/isolate/issue_21398_parent_isolate2_test.dart
diff --git a/tests/isolate/issue_21398_parent_isolate2_test.dart b/tests/isolate/issue_21398_parent_isolate2_test.dart
index 27d49b9856d48de5f274c0279e31a58979d266dd..f67ae10b88c13927ebc3a76a00694d6de2cb114e 100644
--- a/tests/isolate/issue_21398_parent_isolate2_test.dart
+++ b/tests/isolate/issue_21398_parent_isolate2_test.dart
@@ -31,20 +31,25 @@ void helperFunction() {
   asyncStart();
 
   // Spawn an isolate using spawnFunction.
-  Isolate.spawn(funcChild, [receivePort.sendPort]).then((isolate) {
-    receivePort.listen((msg) {
-      // We don't expect to receive any valid messages.
-      Expect.fail("We don't expect to receive any valid messages");
-      receivePort.close();
-      asyncEnd();
-    }, onError: (e) {
-      // We don't expect to receive any error messages, per spec listen
-      // does not receive an error object.
-      Expect.fail("We don't expect to receive any error messages");
-      receivePort.close();
-      asyncEnd();
-    });
-  });
+  Isolate.spawn(funcChild, [receivePort.sendPort]).then(
+    (isolate) {
+      receivePort.listen(
+        (msg) {
+          // We don't expect to receive any valid messages.
+          Expect.fail("We don't expect to receive any valid messages");
+          receivePort.close();
+          asyncEnd();
+        },
+        onError: (e) {
+          // We don't expect to receive any error messages, per spec listen
+          // does not receive an error object.
+          Expect.fail("We don't expect to receive any error messages");
+          receivePort.close();
+          asyncEnd();
+        }
+      );
+    }
+  );
 }
 
 main() {