Inconclusive NUnit tests reported as successful

[NikolayPianikov]

Steps to reproduce:

• Create NUnit test that executes with status 'Not Run' (see below)
• Run TeamCity build with step dotnet test running this test.

Expected result: Test is reported as Skipped.

Actual Result: Test is reported as Passed.

Sample:

using NUnit.Framework;

namespace Testnamespace
{
    public class TestClass
    {
        [Test]
        public void NotRunTest()
        {
            Assume.That(false);
        }
    }
}

Originally from https://youtrack.jetbrains.com/issue/TW-56771