Enable Linux tests on CI
Enable Linux tests on CI

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