add tests for a test app with unicode characters in the path

TestAssets/TestProjects/TestAppWithUnicodéPath/Program.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace ConsoleApplication
+{
+    public class Program
+    {
+        public static void Main(string[] args)
+        {
+            Console.WriteLine("Hello World!");
+        }
+    }
+}

TestAssets/TestProjects/TestAppWithUnicodéPath/project.json

@@ -0,0 +1,22 @@
+{
+  "version": "1.0.0-*",
+  "compilationOptions": {
+    "emitEntryPoint": true
+  },
+  "dependencies": {
+    "Microsoft.NETCore.App": "1.0.0-rc2-*"
+  },
+  "frameworks": {
+    "netcoreapp1.0": { }
+  },
+  "runtimes": {
+    "win7-x64": {},
+    "win7-x86": {},
+    "osx.10.10-x64": {},
+    "osx.10.11-x64": {},
+    "ubuntu.14.04-x64": {},
+    "centos.7-x64": {},
+    "rhel.7.2-x64": {},
+    "debian.8-x64": {}
+  }
+}

test/ArgumentForwardingTests/ArgumentForwardingTests.cs

@@ -51,6 +51,7 @@ namespace Microsoft.DotNet.Tests.ArgumentForwarding
         /// <param name="testUserArgument"></param>
         [Theory]
         [InlineData(@"""abc"" d e")]
+        [InlineData(@"""ábc"" d é")]
         [InlineData(@"""abc""      d e")]
         [InlineData("\"abc\"\t\td\te")]
         [InlineData(@"a\\b d""e f""g h")]

test/dotnet-build.Tests/GivenDotnetBuildBuildsProjects.cs

@@ -0,0 +1,46 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+using System;
+using System.IO;
+using FluentAssertions;
+using Microsoft.DotNet.Tools.Test.Utilities;
+using Xunit;
+
+namespace Microsoft.DotNet.Tools.Builder.Tests
+{
+    public class GivenDotnetBuildBuildsProjects : TestBase
+    {
+        [Fact]
+        public void It_builds_projects_with_Unicode_in_path()
+        {
+            var testInstance = TestAssetsManager
+                .CreateTestInstance("TestAppWithUnicodéPath")
+                .WithLockFiles();
+
+            var testProjectDirectory = testInstance.TestRoot;
+
+            var buildCommand = new BuildCommand("");
+            buildCommand.WorkingDirectory = testProjectDirectory;
+            
+            buildCommand.ExecuteWithCapturedOutput()
+                .Should()
+                .Pass();
+        }
+
+        [Fact]
+        public void It_builds_projects_with_Unicode_in_path_project_path_passed()
+        {
+            var testInstance = TestAssetsManager
+                .CreateTestInstance("TestAppWithUnicodéPath")
+                .WithLockFiles();
+
+            var testProject = Path.Combine(testInstance.TestRoot, "project.json");
+
+            new BuildCommand(testProject)
+                .ExecuteWithCapturedOutput()
+                .Should()
+                .Pass();
+        }
+    }
+}