Moved Test.Board to 'Tests' folder

Author: Eric Bézine

RaspberrySharp.System.sln

@@ -19,6 +19,8 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = ".nuget", ".nuget", "{9D7C75
 		.nuget\NuGet.targets = .nuget\NuGet.targets
 	EndProjectSection
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{7102091A-58D6-4ACC-90B7-6729AEF0586F}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -53,4 +55,7 @@ Global
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{51780F8A-E5F5-4DC8-84B4-B282800A3396} = {7102091A-58D6-4ACC-90B7-6729AEF0586F}
+	EndGlobalSection
 EndGlobal