Do not run unix commands for windows in PrintConfiguration. For example: 'df' command is unix-specific and doesn't work on windows. e.g.: https://ews-build.webkit-uat.org/#/builders/10/builds/26/steps/2/logs/stdio
Created attachment 373688 [details] Patch
Created attachment 373721 [details] Patch for landing Updated unit-tests.
Committed r247258: <https://trac.webkit.org/changeset/247258>
<rdar://problem/52836308>