Windows layout-tests seems to be completely broken since https://trac.webkit.org/changeset/259035/webkit e.g.: https://build.webkit.org/builders/Apple%20Win%2010%20Release%20%28Tests%29/builds/5333/steps/layout-test/logs/stdio 00:42:56.235 5816 worker/10: OSError('[Errno 84] Accessing a corrupted shared library') raised r259035 failed in https://build.webkit.org/builders/Apple%20Win%2010%20Release%20%28Tests%29/builds/5333 r259034 passed in https://build.webkit.org/builders/Apple%20Win%2010%20Release%20%28Tests%29/builds/5332 This has broke Windows EWS as well.
<rdar://problem/60918400>
*** This bug has been marked as a duplicate of bug 209597 ***