Issue Description

MSBUILD : error : This is an unhandled exception in MSBuild -- PLEASE UPVOTE AN EXISTING ISSUE OR FILE A NEW ONE AT https://aka.ms/msbuild/unhandled [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices
.UnitTests\MSTestAdapter.PlatformServices.UnitTests.csproj]
MSBUILD : error : System.NullReferenceException: Object reference not set to an instance of an object. [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.
UnitTests.csproj]
MSBUILD : error : at Microsoft.Build.BackEnd.TargetEntry.d__44.MoveNext() [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.cspro
j]
MSBUILD : error : --- End of stack trace from previous location where exception was thrown --- [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.cs
proj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests
.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.Platf
ormServices.UnitTests.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.csproj
]
MSBUILD : error : at Microsoft.Build.BackEnd.TargetBuilder.d__23.MoveNext() [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTest
s.csproj]
MSBUILD : error : --- End of stack trace from previous location where exception was thrown --- [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.cs
proj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests
.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.Platf
ormServices.UnitTests.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.csproj
]
MSBUILD : error : at Microsoft.Build.BackEnd.TargetBuilder.d__10.MoveNext() [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.cspr
oj]
MSBUILD : error : --- End of stack trace from previous location where exception was thrown --- [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.cs
proj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests
.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.Platf
ormServices.UnitTests.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.csproj
]
MSBUILD : error : at Microsoft.Build.BackEnd.RequestBuilder.d__67.MoveNext() [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.csp
roj]
MSBUILD : error : --- End of stack trace from previous location where exception was thrown --- [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests.cs
proj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTests
.csproj]
MSBUILD : error : at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.Platf
ormServices.UnitTests.csproj]
MSBUILD : error : at Microsoft.Build.BackEnd.RequestBuilder.d__58.MoveNext() [C:\src\testfx\test\UnitTests\MSTestAdapter.PlatformServices.UnitTests\MSTestAdapter.PlatformServices.UnitTest
s.csproj]

Steps to Reproduce

Checkout microsoft/testfx#2973 and run .\Build.cmd /p:NuGetInteractive=true -pack -test -integrationTest

Expected Behavior

No error

Actual Behavior

NRE

Analysis

No response

Versions & Configurations

No response