Edited Issue: Windows phone throwing non descript exceptions [12470]

Given the following code.

[TestMethod]
public void InitialiseSession()
{
false.Should().BeTrue();
}

Results in :
New exception: "Could not find windows phone test framework.".

I'm using the latest test framework from toolkit (https://nuget.org/packages/WPToolkitTestFx)

Expected results: "True excepted ... "