Index: Migration/Console/src/Migration.Console/ConsoleHelper.cs
===================================================================
diff -u -r2b087ce4a7c30f4fcf8ca1ed99af874c42c8ef19 -r215a141e7d6904d36aa00b662a2d3853c7c208b2
--- Migration/Console/src/Migration.Console/ConsoleHelper.cs	(.../ConsoleHelper.cs)	(revision 2b087ce4a7c30f4fcf8ca1ed99af874c42c8ef19)
+++ Migration/Console/src/Migration.Console/ConsoleHelper.cs	(.../ConsoleHelper.cs)	(revision 215a141e7d6904d36aa00b662a2d3853c7c208b2)
@@ -65,6 +65,14 @@
         /// <seealso cref="SystemConsole.WriteLine(string, object[])"/>
         public static void WriteInfoLine(string format, params object[] args)
         {
+            if (format == null)
+            {
+                throw new ArgumentNullException(nameof(format));
+            }
+            if (args == null)
+            {
+                throw new ArgumentNullException(nameof(args));
+            }
             SystemConsole.ForegroundColor = ConsoleColor.White;
             SystemConsole.WriteLine(format, args);
             SystemConsole.ResetColor();
Index: Migration/Console/test/Migration.Console.Test/ConsoleHelperTest.cs
===================================================================
diff -u -r6b079317973bdff9858242cdeb1a74d62ba98933 -r215a141e7d6904d36aa00b662a2d3853c7c208b2
--- Migration/Console/test/Migration.Console.Test/ConsoleHelperTest.cs	(.../ConsoleHelperTest.cs)	(revision 6b079317973bdff9858242cdeb1a74d62ba98933)
+++ Migration/Console/test/Migration.Console.Test/ConsoleHelperTest.cs	(.../ConsoleHelperTest.cs)	(revision 215a141e7d6904d36aa00b662a2d3853c7c208b2)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using System;
+using Migration.Console.TestUtil;
 using NUnit.Framework;
 using SystemConsole = System.Console;
 
@@ -31,7 +32,7 @@
         [TearDown]
         public void TearDown()
         {
-            SystemConsole.ForegroundColor = ConsoleColor.Gray;
+            SystemConsole.ResetColor();
         }
 
         [Test]