Fix some compatibility with Dart 2.0.0.
diff --git a/lib/src/request/async_xhr_request_client.dart b/lib/src/request/async_xhr_request_client.dart
index 8eceda6..72327f2 100644
--- a/lib/src/request/async_xhr_request_client.dart
+++ b/lib/src/request/async_xhr_request_client.dart
@@ -23,9 +23,10 @@
final headers = {
'Accept': 'application/json',
- ..._headers,
};
+ headers.addAll(_headers);
+
HttpRequest httpRequest;
try {
diff --git a/test/async_mouse_test.dart b/test/async_mouse_test.dart
index 0706b32..4f34ed6 100644
--- a/test/async_mouse_test.dart
+++ b/test/async_mouse_test.dart
@@ -15,6 +15,7 @@
@TestOn('vm')
library webdriver.mouse_test;
+import 'dart:async';
import 'dart:io';
import 'package:test/test.dart';
diff --git a/test/configs/async_io_config.dart b/test/configs/async_io_config.dart
index ddc7a4a..a20f1fe 100644
--- a/test/configs/async_io_config.dart
+++ b/test/configs/async_io_config.dart
@@ -16,7 +16,6 @@
import 'dart:io';
import 'package:matcher/matcher.dart';
-import 'package:path/path.dart' as path;
import 'package:webdriver/async_core.dart'
show WebDriver, WebDriverSpec, WebElement;
import 'package:webdriver/async_io.dart' show createDriver;
