Rename a unit test
Rename a unit test

Rename a unit test to properly refer to `GetPathsOfAllDirectoriesAbove` as that is the item intrinsic it exercises.

AndyGerlicher/msbuild,mono/msbuild,AndyGerlicher/msbuild,cdmihai/msbuild,jeffkl/msbuild,cdmihai/msbuild,cdmihai/msbuild,Microsoft/msbuild,rainersigwald/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,chipitsine/msbuild,mono/msbuild,AndyGerlicher/msbuild,chipitsine/msbuild,rainersigwald/msbuild,jeffkl/msbuild,jeffkl/msbuild,jeffkl/msbuild,mono/msbuild,Microsoft/msbuild,rainersigwald/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,cdmihai/msbuild,Microsoft/msbuild,chipitsine/msbuild,chipitsine/msbuild,mono/msbuild,Microsoft/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild