Add Todo.Tests project to main solution

Author: Romulo-Queiroz

Todo.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 17.7.34018.315
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Todo", "Todo.csproj", "{468AD31C-CA0E-4A93-B129-C3F5D5026059}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Todo.Tests", "Todo.Tests\Todo.Tests.csproj", "{A1BE1495-D74B-4D7B-A654-C515238AFE56}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{468AD31C-CA0E-4A93-B129-C3F5D5026059}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{468AD31C-CA0E-4A93-B129-C3F5D5026059}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{468AD31C-CA0E-4A93-B129-C3F5D5026059}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A1BE1495-D74B-4D7B-A654-C515238AFE56}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A1BE1495-D74B-4D7B-A654-C515238AFE56}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A1BE1495-D74B-4D7B-A654-C515238AFE56}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A1BE1495-D74B-4D7B-A654-C515238AFE56}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE