fix window maximize test on mac
diff --git a/test/src/window_test.dart b/test/src/window_test.dart
index 5f9a432..ca9b278 100644
--- a/test/src/window_test.dart
+++ b/test/src/window_test.dart
@@ -37,11 +37,11 @@
 
       // maximizing can take some time
       await waitFor(() async => (await window.location).x,
-          matcher: lessThan(100));
+          matcher: lessThanOrEqualTo(100));
 
       var location = await window.location;
       var size = await window.size;
-      expect(location.x, lessThan(100));
+      expect(location.x, lessThanOrEqualTo(100));
       expect(location.y, lessThan(200));
       expect(size.height, greaterThan(200));
       expect(size.width, greaterThan(300));
diff --git a/test/webdriver_test.dart b/test/webdriver_test.dart
index 09a91e0..8b86c67 100644
--- a/test/webdriver_test.dart
+++ b/test/webdriver_test.dart
@@ -1,7 +1,5 @@
 library webdriver_test;
 
-import 'package:unittest/vm_config.dart';
-
 import 'src/alert_test.dart' as alert;
 import 'src/keyboard_test.dart' as keyboard;
 import 'src/lock_test.dart' as lock;
@@ -19,8 +17,6 @@
  * as they are slow and they have external dependencies.
  */
 void main() {
-  useVMConfiguration();
-
   alert.main();
   keyboard.main();
   lock.main();