Add SignalR test project to solution (#26708)

Author: BrennanConroy

AspNetCore.sln

@@ -1549,6 +1549,10 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "HostingStartup", "src\SiteE
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IgnitorSample", "src\Components\Samples\IgnitorSample\IgnitorSample.csproj", "{CAFD1885-B87B-4A7A-8BE6-86B0C238C2B1}"
 EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.AspNetCore.SignalR.Tests.Utils", "src\SignalR\common\testassets\Tests.Utils\Microsoft.AspNetCore.SignalR.Tests.Utils.csproj", "{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "testassets", "testassets", "{BB3D6EDD-AE71-4D25-B61B-7EBF7A1BA1D1}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -7425,6 +7429,18 @@ Global
 		{CAFD1885-B87B-4A7A-8BE6-86B0C238C2B1}.Release|x64.Build.0 = Release|Any CPU
 		{CAFD1885-B87B-4A7A-8BE6-86B0C238C2B1}.Release|x86.ActiveCfg = Release|Any CPU
 		{CAFD1885-B87B-4A7A-8BE6-86B0C238C2B1}.Release|x86.Build.0 = Release|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Debug|x64.Build.0 = Debug|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Debug|x86.Build.0 = Debug|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Release|x64.ActiveCfg = Release|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Release|x64.Build.0 = Release|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Release|x86.ActiveCfg = Release|Any CPU
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -8201,6 +8217,8 @@ Global
 		{E83B0BCC-A8E0-4FBD-BE51-9A533C9CB972} = {DFC4F588-B4B4-484B-AB93-B36721374AD3}
 		{5D6F99C5-D292-4459-B8BD-8E4AD42E1B21} = {E83B0BCC-A8E0-4FBD-BE51-9A533C9CB972}
 		{CAFD1885-B87B-4A7A-8BE6-86B0C238C2B1} = {5FE1FBC1-8CE3-4355-9866-44FE1307C5F1}
+		{C1CDD339-B51B-42BE-99F2-F39A4EC0D404} = {BB3D6EDD-AE71-4D25-B61B-7EBF7A1BA1D1}
+		{BB3D6EDD-AE71-4D25-B61B-7EBF7A1BA1D1} = {1A304CA0-7795-4684-88E5-E66402966927}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {3E8720B3-DBDD-498C-B383-2CC32A054E8F}