Upstream Chrome on iOS source code [10/11].

ios/chrome/test/earl_grey/device_check_egtest.mm

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#import <XCTest/XCTest.h>
+
+#import "ios/chrome/test/earl_grey/chrome_earl_grey.h"
+#import "ios/chrome/test/earl_grey/chrome_matchers.h"
+#import "ios/chrome/test/earl_grey/chrome_test_case.h"
+#include "url/gurl.h"
+
+using chrome_test_util::webViewContainingText;
+
+// Test suite to verify Internet connectivity.
+@interface DeviceCheckTestCase : ChromeTestCase
+@end
+
+@implementation DeviceCheckTestCase
+
+// Verifies Internet connectivity by navigating to browsingtest.appspot.com.
+- (void)testNetworkConnection {
+  [ChromeEarlGrey loadURL:GURL("http://browsingtest.appspot.com")];
+  [[EarlGrey selectElementWithMatcher:webViewContainingText("Window1")]
+      assertWithMatcher:grey_notNil()];
+}
+
+@end