We shouldn't host layout-test results on the ews-build.webkit.org server. Since EWS runs untrusted code, someone might try to exploit XSS vulnerability through these as they are hosted on a webkit.org server. Potential solution is to host them on S3.
<rdar://problem/55303798>
Created attachment 403962 [details] Patch
Created attachment 403972 [details] Patch
Sample run: https://ews-build.webkit-uat.org/#/builders/34/builds/1265 (notice the updated 'view layout test results' and 'download layout test results' urls)
Comment on attachment 403972 [details] Patch rs=me
Committed r264229: <https://trac.webkit.org/changeset/264229>
Restarted EWS server to pick up this change yesterday. Working fine, e.g.: https://ews-build.webkit.org/#/builders/10/builds/30476