string formatting because lolwindows

Octokit.Tests.Conventions/StringExtensions.cs

@@ -0,0 +1,16 @@
+using System;
+
+namespace Octokit.Tests.Conventions
+{
+    internal static class StringExtensions
+    {
+        public static string FormatWithNewLine(this string s, params object[] args)
+        {
+            var template = Environment.NewLine == "\r\n"
+                ? s
+                : s.Replace("\r\n", Environment.NewLine);
+
+            return String.Format(template, args);
+        }
+    }
+}