Relative path for test container in .net core doesn't resolve

[codito]

Description

vstest.console doesn't run tests from test container with relative path.

Steps to reproduce

Run the following command:

dotnet.exe c:\vstest\vstest.console.dll test\testproject.dll /platform:x64 /testAdapterPath:path\to\adapter

Expected behavior

Tests should run.

Actual behavior

Test run fails with following error:

Could not find file test\testproject.dll

Note that tests run if an absolute path to testproject.dll is provided.

[codito]

Fixed with 4fc27e0