RestoreSDKProject.csproj contains end tag </PropertyGroup> without matching start tag

[davidkaya]

There is a </PropertyGroup> end tag without matching start tag in https://github.com/dotnet/corefx/blob/master/src/SharedFrameworkValidation/RestoreSDKProject/RestoreSDKProject.csproj#L6

Build of tests failed on that issue:

corefx/src/System.IO.FileSystem/tests on  master [⇣!?] via .NET 2.1.302
➜ ../../../build.sh .
/Users/kaya/workspace/personal/corefx/.dotnet/sdk/2.1.401/MSBuild.dll /nologo -maxcpucount /m -verbosity:m /v:minimal /bl:/Users/kaya/workspace/personal/corefx/eng/common/../../artifacts/log/Debug/Build.binlog /clp:Summary /nr:true /p:Configuration=Debug /p:Projects=/Users/kaya/workspace/personal/corefx/eng/common/../../*.sln /p:RepoRoot=/Users/kaya/workspace/personal/corefx/eng/common/../.. /p:Restore=true /p:Build=true /p:Rebuild=false /p:Test=false /p:Pack=false /p:IntegrationTest=false /p:PerformanceTest=false /p:Sign=false /p:Publish=false /p:ContinuousIntegrationBuild=false /p:DirectoryToBuild=. /Users/kaya/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.18603.8/tools/Build.proj
  Restore completed in 50.06 ms for /Users/kaya/.nuget/packages/microsoft.dotnet.arcade.sdk/1.0.0-beta.18603.8/tools/Tools.proj.
  Package Id                             Version      Commands
  -------------------------------------------------------------------
  coverlet.console                       1.3.0        coverlet
  dotnet-reportgenerator-globaltool      4.0.4        reportgenerator
/Users/kaya/workspace/personal/corefx/Tools/FrameworkTargeting.targets(149,3): warning MSB4011: "/Users/kaya/workspace/personal/corefx/.dotnet/sdk/2.1.401/Microsoft.CSharp.targets" cannot be imported again. It was already imported at "/Users/kaya/workspace/personal/corefx/src/Common/tests/System/Net/Prerequisites/Servers/CoreFxNetCloudService/WebServer/WebServer.csproj (158,3)". This is most likely a build authoring error. This subsequent import will be ignored.
/Users/kaya/workspace/personal/corefx/src/SharedFrameworkValidation/RestoreSDKProject/RestoreSDKProject.csproj(6,5): error MSB4025: The project file could not be loaded. The 'Project' start tag on line 1 position 2 does not match the end tag of 'PropertyGroup'. Line 6, position 5.

Build FAILED.

/Users/kaya/workspace/personal/corefx/Tools/FrameworkTargeting.targets(149,3): warning MSB4011: "/Users/kaya/workspace/personal/corefx/.dotnet/sdk/2.1.401/Microsoft.CSharp.targets" cannot be imported again. It was already imported at "/Users/kaya/workspace/personal/corefx/src/Common/tests/System/Net/Prerequisites/Servers/CoreFxNetCloudService/WebServer/WebServer.csproj (158,3)". This is most likely a build authoring error. This subsequent import will be ignored.
/Users/kaya/workspace/personal/corefx/src/SharedFrameworkValidation/RestoreSDKProject/RestoreSDKProject.csproj(6,5): error MSB4025: The project file could not be loaded. The 'Project' start tag on line 1 position 2 does not match the end tag of 'PropertyGroup'. Line 6, position 5.
    1 Warning(s)
    1 Error(s)

Time Elapsed 00:00:11.44
Build failed (exit code '1'). See log: /Users/kaya/workspace/personal/corefx/eng/common/../../artifacts/log/Debug/Build.binlog

Can send PR if wanted.