diff --git a/2-modular-monolith-architecture-style/src/Modules/Flight/tests/tests.sln b/2-modular-monolith-architecture-style/src/Modules/Flight/tests/tests.sln
index 192fd2d..fbb8945 100644
--- a/2-modular-monolith-architecture-style/src/Modules/Flight/tests/tests.sln
+++ b/2-modular-monolith-architecture-style/src/Modules/Flight/tests/tests.sln
@@ -1,12 +1,14 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
-VisualStudioVersion = 17.13.35931.197 d17.13
+VisualStudioVersion = 17.13.35931.197
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Unit.Test", "Unit.Test\Unit.Test.csproj", "{9FF9D3A3-D316-461F-90D8-A51226796AB8}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Integration.Test", "Integration.Test\Integration.Test.csproj", "{7CD2A0EF-7505-43D5-A428-8F8EB4C8004F}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EndToEnd.Test", "EndToEnd.Test\EndToEnd.Test.csproj", "{52AB66AF-F024-F2C2-5B1B-29218D5BB25E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -21,6 +23,10 @@ Global
 		{7CD2A0EF-7505-43D5-A428-8F8EB4C8004F}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{7CD2A0EF-7505-43D5-A428-8F8EB4C8004F}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{7CD2A0EF-7505-43D5-A428-8F8EB4C8004F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{52AB66AF-F024-F2C2-5B1B-29218D5BB25E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{52AB66AF-F024-F2C2-5B1B-29218D5BB25E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{52AB66AF-F024-F2C2-5B1B-29218D5BB25E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{52AB66AF-F024-F2C2-5B1B-29218D5BB25E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE