sort_constructors_first (#22575)

diff --git a/packages/flutter_tools/test/emulator_test.dart b/packages/flutter_tools/test/emulator_test.dart
index 01c7d4c..0bb1499 100644
--- a/packages/flutter_tools/test/emulator_test.dart
+++ b/packages/flutter_tools/test/emulator_test.dart
@@ -152,10 +152,10 @@
 }
 
 class TestEmulatorManager extends EmulatorManager {
-  final List<Emulator> allEmulators;
-
   TestEmulatorManager(this.allEmulators);
 
+  final List<Emulator> allEmulators;
+
   @override
   Future<List<Emulator>> getAllAvailableEmulators() {
     return Future<List<Emulator>>.value(allEmulators);