Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

external/aspnetwebstack/test/Microsoft.TestCommon/TestHelper.cs

@@ -0,0 +1,31 @@
+// Copyright (c) Microsoft Corporation. All rights reserved. See License.txt in the project root for license information.
+
+using System.Globalization;
+using System.Linq;
+using Xunit;
+
+namespace System.Web.TestUtil
+{
+    public static class UnitTestHelper
+    {
+        public static bool EnglishBuildAndOS
+        {
+            get
+            {
+                bool englishBuild = String.Equals(CultureInfo.CurrentCulture.TwoLetterISOLanguageName, "en",
+                                                  StringComparison.OrdinalIgnoreCase);
+                bool englishOS = String.Equals(CultureInfo.CurrentCulture.TwoLetterISOLanguageName, "en",
+                                               StringComparison.OrdinalIgnoreCase);
+                return englishBuild && englishOS;
+            }
+        }
+
+        public static void AssertEqualsIgnoreWhitespace(string expected, string actual)
+        {
+            expected = new String(expected.Where(c => !Char.IsWhiteSpace(c)).ToArray());
+            actual = new String(actual.Where(c => !Char.IsWhiteSpace(c)).ToArray());
+
+            Assert.Equal(expected, actual, StringComparer.OrdinalIgnoreCase);
+        }
+    }
+}