Revert "test _ imports"

This reverts commit 7cf24d6cb5833efa437a78cf5b843eb6b6368a81.
diff --git a/packages/e2e/example/test_driver/example_e2e.dart b/packages/e2e/example/test_driver/example_e2e.dart
index ccc9395..791f4d6 100644
--- a/packages/e2e/example/test_driver/example_e2e.dart
+++ b/packages/e2e/example/test_driver/example_e2e.dart
@@ -7,7 +7,7 @@
 
 import 'package:e2e/e2e.dart';
 
-import '_example_e2e_io.dart' if (dart.library.html) '_example_e2e_web.dart' as tests;
+import 'example_e2e_io.dart' if (dart.library.html) 'example_e2e_web.dart' as tests;
 
 void main() {
   E2EWidgetsFlutterBinding.ensureInitialized();
diff --git a/packages/e2e/example/test_driver/_example_e2e_io.dart b/packages/e2e/example/test_driver/example_e2e_io.dart
similarity index 100%
rename from packages/e2e/example/test_driver/_example_e2e_io.dart
rename to packages/e2e/example/test_driver/example_e2e_io.dart
diff --git a/packages/e2e/example/test_driver/_example_e2e_test.dart b/packages/e2e/example/test_driver/example_e2e_test.dart
similarity index 100%
rename from packages/e2e/example/test_driver/_example_e2e_test.dart
rename to packages/e2e/example/test_driver/example_e2e_test.dart
diff --git a/packages/e2e/example/test_driver/_example_e2e_web.dart b/packages/e2e/example/test_driver/example_e2e_web.dart
similarity index 100%
rename from packages/e2e/example/test_driver/_example_e2e_web.dart
rename to packages/e2e/example/test_driver/example_e2e_web.dart
diff --git a/packages/e2e/example/test_driver/_example_e2e_web_test.dart b/packages/e2e/example/test_driver/example_e2e_web_test.dart
similarity index 100%
rename from packages/e2e/example/test_driver/_example_e2e_web_test.dart
rename to packages/e2e/example/test_driver/example_e2e_web_test.dart